The following guns were used on the television show Lie To Me:
Lie To Me (2009)
M4A1
U.S. Army soldiers are seen using M4A1 Carbines during the second episode of Season 1 "Moral Waiver".
Colt M4A1 with M68 Aimpoint scope - 5.56x45mm.
Sheila Lake (Alicia Lagano) fires her M4A1 down range. This one is fitted with a M68 CCO/Aimpoint CompM2 red dot sight and a AN/PEQ-2 IR Target Pointer/Illuminator/Aiming Light