A Forensics Crime Lab Studies A Slow Motion Blood Drop Falling Onto Woord

wood stains biometrics forensic violence blood bloody homicide spatter identification crime csi murderer murder splatter drop investigation 1080p evidence scene forensics victim measuring investigate death falling justice mystery detective examination analyze criminologist police investigator discovery investigators science collecting criminal dead enforcement biology magnify recognition swab 2010s hand mess analysis splash red expert experts proof analyst research dna