A technical protocol for using ground penetrating radar and electrical resistivity tomography in the search for covert graves

References

• Keatley D, O’Donnell C, Chapman B, Clarke DD. The psycho-criminology of burial sites: developing the winthropping method for locating clandestine burial sites. J Police Criminal Psychol. 2021;37:91–100. doi:10.1007/s11896-11021-09457-11898.
   Web of Science ®Google Scholar
• Keatley D, O’Donnell C. Winthropping as an investigative tool in clandestine grave discovery and psychological profiling. J Police Criminal Psychol. 2023:1–13.
   Web of Science ®Google Scholar
• Ferguson C, Pooley K. Australian no-body homicides: exploring common features of solved cases. J Forensic Leg Med. 2019;66:70–78. doi:10.1016/j.jflm.2019.1006.1007.
   PubMed Web of Science ®Google Scholar
• Ferguson C, Pooley K. Comparing solved and unsolved no-body homicides in Australia: an exploratory analysis. Homicide Stud. 2019;23(4):381–403. doi:10.1177/1088767919852381.
   Web of Science ®Google Scholar
• Lenferink LI, de Keijser J, Wessel I, Boelen PA. Cognitive-behavioral correlates of psychological symptoms among relatives of missing persons. Int J Cogn Ther. 2018;11:311–324. doi:10.1007/s41811-018-0024-y.
   Web of Science ®Google Scholar
• Lenferink LI, de Keijser J, Wessel I, de Vries D, Boelen PA. Toward a better understanding of psychological symptoms in people confronted with the disappearance of a loved one: a systematic review. Trauma Violence Abuse. 2019;20(3):287–302. doi:10.1177/1524838017699602.
   PubMed Web of Science ®Google Scholar
• Hinkes M. Forensic anthropology in cold cases. In: Walton RH, editor. Forensic anthropology in cold cases. Cold case homicides: practical investigative techniques. Boca Raton (Florida): CRC Press; 2017. p. 381–400.
   Google Scholar
• Larson DO, Vass AA, Wise M. Advanced scientific methods and procedures in the forensic investigation of clandestine graves. J Contemp Crim Justice. 2011;27(2):149–182. doi:10.1177/1043986211405885.
   Google Scholar
• Rebmann A, David E, Sorg MH . Cadaver dog handbook: forensic training and tactics for the recovery of human remains. Boca Raton (FL): CRC Press; 2000.
   Google Scholar
• Kalacska M, Bell LS. Remote sensing as a tool for the detection of clandestine mass graves. Canadian Soc Forensic Sci J. 2006;39(1):1–13. doi:10.1080/00085030.2006.10757132.
   Google Scholar
• Donnelly L, Harrison M. Geomorphological and geoforensic interpretation of maps, aerial imagery, conditions of diggability and the colour-coded rag prioritization system in searches for criminal burials. Geol Soc London Spec Publ. 2013;384(1):173–194. doi:10.1144/SP384.10.
   Google Scholar
• Corcoran KA, Mundorff AZ, White DA, Emch WL. A novel application of terrestrial lidar to characterize elevation change at human grave surfaces in support of narrowing down possible unmarked grave locations. Forensic Sci Int. 2018;289:320–328. doi:10.1016/j.forsciint.2018.1005.1038.
   PubMed Web of Science ®Google Scholar
• Berezowski V, Moffat I, Shendryk Y, MacGregor D, Ellis J, Mallett X. A multidisciplinary approach to locating clandestine gravesites in cold cases: combining geographic profiling, lidar, and near surface geophysics. Forensic Sci Int. 2022;5:100281. doi:10.101016/j.fsisyn.102022.100281.
   Google Scholar
• Rocke B, Ruffell A. Detection of single burials using multispectral drone data: three case studies. Forensic Sci. 2022;2(1):72–87. doi:10.3390/forensicsci2010006.
   Google Scholar
• Pensieri MG, Garau M, Barone PM. Drones as an integral part of remote sensing technologies to help missing people. Drones. 2020;4(2):15.
   Google Scholar
• Alawadhi A, Eliopoulos C, Bezombes F. The detection of clandestine graves in an arid environment using thermal imaging deployed from an unmanned aerial vehicle. J Forensic Sci. 2023;68:1286–1291. doi:10.1111/1556-4029.15280.
   PubMed Web of Science ®Google Scholar
• Parrott E, Panter H, Morrissey J, Bezombes F. A low cost approach to disturbed soil detection using low altitude digital imagery from an unmanned aerial vehicle. Drones. 2019;3(2):50. doi:10.3390/drones3020050.
   Google Scholar
• Evers R, Masters P. The application of low-altitude near-infrared aerial photography for detecting clandestine burials using a uav and low-cost unmodified digital camera. Forensic Sci Int. 2018;289:408–418. doi:10.1016/j.forsciint.2018.1006.1020.
   PubMed Web of Science ®Google Scholar
• Berezowski V, Mallett X, Ellis J, Moffat I. Using ground penetrating radar and resistivity methods to locate unmarked graves: a review. Remote Sens. 2021;13(15):2880. doi:10.3390/rs13152880.
   Google Scholar
• Barone PM, Matsentidi D, Mollard A, Kulengowska N, Mistry M. Mapping decomposition: a preliminary study of non-destructive detection of simulated body fluids in the shallow subsurface. Forensic Sci. 2022;2(4):620–634. doi:10.3390/forensicsci2040046.
   Google Scholar
• Donnelly L, Harrison M. Geoforensic search strategy (gss): ground searches related to homicide graves, counter-terrorism and serious and organized crime. In: A Guide to Forensic Geology; 2021. p. 21–85.
   Google Scholar
• Dupras TL, Schultz JJ, Wheeler SM, Williams LJ. Forensic recovery of human remains: archaeological approaches. Boca Raton (FL): CRC Press; 2012.
   Google Scholar
• Pringle JK, Jervis J, Cassella JP, Cassidy NJ. Time‐lapse geophysical investigations over a simulated urban clandestine grave. J Forensic Sci. 2008;53(6):1405–1416. doi:10.1111/j.1556-4029.2008.00884.x.
   PubMed Web of Science ®Google Scholar
• Pringle JK, Stimpson IG, Wisniewski KD, Heaton V, Davenward B, Mirosch N, Spencer F, Jervis JR. Geophysical monitoring of simulated homicide burials for forensic investigations. Sci Rep. 2020;10(1):1–12. doi:10.1038/s41598-41020-64262-41593.
   PubMed Web of Science ®Google Scholar
• Killam EW. The detection of human remains. Springfield (IL): Charles C Thomas Publisher; 2004.
   Google Scholar
• Skinner M, Alempijevic D, Djuric-Srejic M. Guidelines for international forensic bio-archaeology monitors of mass grave exhumations. Forensic Sci Int. 2003;134(2–3):81–92. doi:10.1016/S0379-0738(03)00124-5.
   PubMed Web of Science ®Google Scholar
• Schultz JJ. Using ground-penetrating radar to locate clandestine graves of homicide victims: forming forensic archaeology partnerships with law enforcement. Homicide Stud. 2007;11(1):15–29. doi:10.1177/1088767906296234.
   Web of Science ®Google Scholar
• Schultz JJ, Collins ME, Falsetti AB. Sequential monitoring of burials containing large pig cadavers using ground‐penetrating radar. J Forensic Sci. 2006;51(3):607–616. doi:10.1111/j.1556-4029.2006.00129.x.
   PubMed Web of Science ®Google Scholar
• Damiata BN, Steinberg JM, Bolender DJ, Zoëga G. Imaging skeletal remains with ground-penetrating radar: comparative results over two graves from viking age and medieval churchyards on the stóra-seyla farm, northern Iceland. J Archaeol Sci. 2013;40(1):268–278. doi:10.1016/j.jas.2012.06.031.
   Web of Science ®Google Scholar
• Schultz JJ. Sequential monitoring of burials containing small pig cadavers using ground penetrating radar. J Forensic Sci. 2008;53(2):279–287. doi:10.1111/j.1556-4029.2008.00665.x.
   PubMed Web of Science ®Google Scholar
• Pringle JK, Jervis JR, Roberts D, Dick HC, Wisniewski KD, Cassidy NJ, Cassella JP. Long‐term geophysical monitoring of simulated clandestine graves using electrical and ground penetrating radar methods: 4–6 years after burial. J Forensic Sci. 2016;61(2):309–321. doi:10.1111/1556-4029.13009.
   PubMed Web of Science ®Google Scholar
• Pringle JK, Jervis JR, Hansen JD, Jones GM, Cassidy NJ, Cassella JP. Geophysical monitoring of simulated clandestine graves using electrical and ground‐penetrating radar methods: 0–3 years after burial. J Forensic Sci. 2012;57(6):1467–1486. doi:10.1111/j.1556-4029.2012.02151.x.
   PubMed Web of Science ®Google Scholar
• Schultz JJ, Martin MM. Controlled gpr grave research: comparison of reflection profiles between 500 and 250 mhz antennae. Forensic Sci Int. 2011;209(1–3):64–69. doi:10.1016/j.forsciint.2010.12.012.
   PubMed Web of Science ®Google Scholar
• Moffat I. Locating graves with geophysics. Best Pract Geoinf Technol Mapping Archaeolandscapes. 2015:45–53.
   Google Scholar
• Bristow CS, Jol HM. Ground penetrating radar in sediments. Bath (UK): Geological Society of London; 2003.
   Google Scholar
• Ruffell A, McCabe A, Donnelly C, Sloan B. Location and assessment of an historic (150–160 years old) mass grave using geographic and ground penetrating radar investigation, nw Ireland. J Forensic Sci. 2009;54(2):382–394. doi:10.1111/j.1556-4029.2008.00978.x.
   PubMed Web of Science ®Google Scholar
• Pringle J, Ruffell A, Jervis J, Donnelly L, McKinley J, Hansen J, Morgan R, Pirrie D, Harrison M. The use of geoscience methods for terrestrial forensic searches. Earth-Sci Rev. 2012;114(1–2):108–123. doi:10.1016/j.earscirev.2012.05.006.
   Web of Science ®Google Scholar
• Buck S. Searching for graves using geophysical technology: field tests with ground penetrating radar, magnetometry, and electrical resistivity. J Forensic Sci. 2003;48(1):1–7. doi:10.1520/JFS2002165.
   Web of Science ®Google Scholar
• Conyers LB . Ground-penetrating radar for archaeology. 3rd ed. Lanham (MD): Alta Mira Press. Geophysical methods for archaeology; 2013.
   Google Scholar
• Davenport GC. Remote sensing applications in forensic investigations. Hist Archaeol. 2001;35(1):87–100. doi:10.1007/BF03374530.
   Web of Science ®Google Scholar
• Hammon III WS, McMechan GA, Zeng X. Forensic gpr: finite-difference simulations of responses from buried human remains. J Appl Geophys. 2000;45(3):171–186. doi:10.1016/S0926-9851(00)00027-6.
   Web of Science ®Google Scholar
• Loke M, Chambers J, Rucker D, Kuras O, Wilkinson P. Recent developments in the direct-current geoelectrical imaging method. J Appl Geophys. 2013;95:135–156.
   Web of Science ®Google Scholar
• Schmidt A . Earth resistance for archaeologists. Lanham (MD): AltaMira Press. Geophysical methods for archaeology;2013.
   Google Scholar
• Dahlin T, Zhou B. A numerical comparison of 2d resistivity imaging with 10 electrode arrays. Geophys Prospect. 2004;52(5):379–398. doi:10.1111/j.1365-2478.2004.00423.x.
   Web of Science ®Google Scholar
• Cavalcanti MM, Rocha MP, Blum MLB, Borges WR. The forensic geophysical controlled research site of the university of Brasilia, Brazil: results from methods gpr and electrical resistivity tomography. Forensic Sci Int. 2018;293(101):e101–101. e121. doi:10.1016/j.forsciint.2018.09.033.
   PubMedGoogle Scholar
• Doro KO, Emmanuel ED, Adebayo MB, Bank C-G, Wescott DJ, Mickleburgh HL. Time-lapse electrical resistivity tomography imaging of buried human remains in simulated mass and individual graves. Front Environ Sci. 2022;10:501. doi:10.3389/fenvs.2022.882496.
   Web of Science ®Google Scholar
• Pringle JK, Jervis JR. Electrical resistivity survey to search for a recent clandestine burial of a homicide victim, uk. Forensic Sci Int. 2010;202(1–3):e1–e7. doi:10.1016/j.forsciint.2010.1004.1023.
   PubMed Web of Science ®Google Scholar
• Barone PM, Di Maggio RM. Forensic geophysics: ground penetrating radar (gpr) techniques and missing persons investigations. Forensic Sci Res. 2019;4(4):337–340. doi:10.1080/20961790.20962019.21675353.
   PubMed Web of Science ®Google Scholar
• Novo A, Lorenzo H, Rial FI, Solla M. 3d gpr in forensics: finding a clandestine grave in a mountainous environment. Forensic Sci Int. 2011;204(1–3):134–138. doi:10.1016/j.forsciint.2010.1005.1019.
   PubMed Web of Science ®Google Scholar
• Billinger MS. Utilizing ground penetrating radar for the location of a potential human burial under concrete. Canadian Soc Forensic Sci J. 2009;42(3):200–209. doi:10.1080/00085030.00082009.10757607.
   Google Scholar
• Pringle JK, Ruffell A, Wisniewski KD, Davenward B, Heaton V, Hobson L. Historic child homicide burial search in rural woodland. Forensic Sci Int. 2023:100324.
   Google Scholar
• Fernández-Álvarez J-P, Rubio-Melendi D, Martínez-Velasco A, Pringle JK, Aguilera H-D. Discovery of a mass grave from the spanish civil war using ground penetrating radar and forensic archaeology. Forensic Sci Int. 2016;267:e10–e17. doi:10.1016/j.forsciint.2016.1005.1040.
   PubMed Web of Science ®Google Scholar
• Moffat I. How we’re developing underground mapping technologies - lessons from the Beaumont case. Flinders University.
   Google Scholar
• Molina CM, Wisniewski KD, Drake J, Baena A, Guatame A, Pringle JK. Testing application of geographical information systems, forensic geomorphology and electrical resistivity tomography to investigate clandestine grave sites in Colombia, South America. J Forensic Sci. 2020;65(1):266–273. doi:10.1111/1556-4029.14168.
   PubMed Web of Science ®Google Scholar
• Jervis JR, Pringle JK, Tuckwell GW. Time-lapse resistivity surveys over simulated clandestine graves. Forensic Sci Int. 2009;192(1–3):7–13. doi:10.1016/j.forsciint.2009.1007.1001.
   PubMed Web of Science ®Google Scholar
• Jervis JR, Pringle JK, Cassella JP, Tuckwell G. Using soil and groundwater data to understand resistivity surveys over a simulated clandestine grave. In: Criminal and environmental soil forensics. Dordrecht: Springer Netherlands; 2009. p. 271–284.
   Google Scholar
• Hanssens D, Van De Vijver E, Waegeman W, Everett ME, Moffat I, Sarris A, De Smedt P. Ambient temperature and relative humidity–based drift correction in frequency domain electromagnetics using machine learning. Near Surf Geophys. 2021;19(5):541–556. doi:10.1002/nsg.12160.
   Web of Science ®Google Scholar
• Ruffell A, Rocke B, Powell N. Geoforensic search to crime scene: remote sensing, geophysics, and dogs. J Forensic Sci. 2023;68:1379–1385. doi:10.1111/1556-4029.15293.
   PubMed Web of Science ®Google Scholar