Extraction works either manually carrying them out or via the Fulton Harness. Sometimes the positioning is wonky for manual where the corpse shows up somewhere other than where it actually died. The harness will show you specifically where you can pick them up.

; SCP Raider Factions for LWOTC
+CarryableCharacterGroups="MTFRookie_M1"
+CarryableCharacterGroups="MtfMachineGunner_M1"
+CarryableCharacterGroups="MTFRookie_M2"
+CarryableCharacterGroups="MtfMachineGunner_M2"
+CarryableCharacterGroups="MTFRookie_M3"
+CarryableCharacterGroups="MtfMachineGunner_M3"
+CarryableCharacterGroups="MTFLeader_M2"
+CarryableCharacterGroups="MTFLeader_M3"
+CarryableCharacterGroups="MTFBoss"

+CarryableCharacterGroups="MTFSneRookie_M1"
+CarryableCharacterGroups="MTFSneLeader_M1"
+CarryableCharacterGroups="MTFSneRookie_M2"
+CarryableCharacterGroups="MTFSneLeader_M2"
+CarryableCharacterGroups="MTFSneRookie_M3"
+CarryableCharacterGroups="MTFSneLeader_M3"
+CarryableCharacterGroups="MTFSne_Boss"

+CarryableCharacterGroups="MTFMahRookie_M1"
+CarryableCharacterGroups="MTFMahLeader_M1"
+CarryableCharacterGroups="MTFMahRookie_M2"
+CarryableCharacterGroups="MTFMahLeader_M2"
+CarryableCharacterGroups="MTFMahRookie_M3"
+CarryableCharacterGroups="MTFMahLeader_M3"
+CarryableCharacterGroups="MTFmah_Boss"

+CarryableCharacterGroups="MTFFieRookie_M1"
+CarryableCharacterGroups="MTFFieLeader_M1"
+CarryableCharacterGroups="MTFFieRookie_M2"
+CarryableCharacterGroups="MTFFieLeader_M2"
+CarryableCharacterGroups="MTFFieRookie_M3"
+CarryableCharacterGroups="MTFFieLeader_M3"
+CarryableCharacterGroups="MTFfie_Boss"

+CarryableCharacterGroups="MTFHmdRookie_M1"
+CarryableCharacterGroups="MTFHmdLeader_M1"
+CarryableCharacterGroups="MTFHmdRookie_M2"
+CarryableCharacterGroups="MTFHmdLeader_M2"
+CarryableCharacterGroups="MTFHmdRookie_M3"
+CarryableCharacterGroups="MTFHmdLeader_M3"
+CarryableCharacterGroups="MTFhmd_Boss"

+CarryableCharacterGroups="MTFPECRookie_M1"
+CarryableCharacterGroups="MTFPECLeader_M1"
+CarryableCharacterGroups="MTFPECRookie_M2"
+CarryableCharacterGroups="MTFPECLeader_M2"
+CarryableCharacterGroups="MTFPECRookie_M3"
+CarryableCharacterGroups="MTFPECLeader_M3"
+CarryableCharacterGroups="MTFpec_Boss"

+CarryableCharacterGroups="MTFAsmLeader_M1"
+CarryableCharacterGroups="MTFAsmRookie_M1"
+CarryableCharacterGroups="MTFAsmLeader_M2"
+CarryableCharacterGroups="MTFAsmRookie_M2"
+CarryableCharacterGroups="MTFAsmLeader_M3"
+CarryableCharacterGroups="MTFAsmRookie_M3"
+CarryableCharacterGroups="MTFAsm_Boss"

+CarryableCharacterGroups="MTFMolRookie_M1"
+CarryableCharacterGroups="MTFMolLeader_M1"
+CarryableCharacterGroups="MTFMolRookie_M2"
+CarryableCharacterGroups="MTFMolLeader_M2"
+CarryableCharacterGroups="MTFMolRookie_M3"
+CarryableCharacterGroups="MTFMolLeader_M3"
+CarryableCharacterGroups="MTFmol_Boss"

+CarryableCharacterGroups="GOCSoldier_M1"
+CarryableCharacterGroups="GOCTechnician_M1"
+CarryableCharacterGroups="GOCVanguard_M1"
+CarryableCharacterGroups="GOCSniper_M1"
+CarryableCharacterGroups="GOCPeacekeeper_M1"
+CarryableCharacterGroups="GOCSoldier_M2"
+CarryableCharacterGroups="GOCTechnician_M2"
+CarryableCharacterGroups="GOCVanguard_M2"
+CarryableCharacterGroups="GOCSniper_M2"
+CarryableCharacterGroups="GOCPeacekeeper_M2"
+CarryableCharacterGroups="GOCsectopod_M2"
+CarryableCharacterGroups="GOCSoldier_M3"
+CarryableCharacterGroups="GOCTechnician_M3"
+CarryableCharacterGroups="GOCVanguard_M3"
+CarryableCharacterGroups="GOCSniper_M3"
+CarryableCharacterGroups="GOCPeacekeeper_M3"
+CarryableCharacterGroups="GOCsectopod_M3"
+CarryableCharacterGroups="GOCPumaTheGreatApostole"

+CarryableCharacterGroups="CHAOSRecruit_M1"
+CarryableCharacterGroups="CHAOSHunin_M1"
+CarryableCharacterGroups="CHAOSMike_M1"
+CarryableCharacterGroups="CHAOSRecruit_M2"
+CarryableCharacterGroups="CHAOSHunin_M2"
+CarryableCharacterGroups="CHAOSMike_M2"
+CarryableCharacterGroups="CHAOSRecruit_M3"
+CarryableCharacterGroups="CHAOSHunin_M3"
+CarryableCharacterGroups="CHAOSMike_M3"