In Untraceable , a newscaster was cemented up to his mid-thigh .
The videos are recorded in the killer 's basement and his various victims include a helicopter pilot ( bled to death by injections of anticoagulant ) , a newscaster ( burnt to death by heat lamps while cemented , up to his mid-thigh , into the floor of the basement ) , and Griffin Dowd ( killed by slowly increasing the concentration of sulfuric acid solution in which he is submerged up to his neck ) .At first it seems the victims were randomly chosen , but it is revealed to not be the case .
Untraceable