cameras don't lie

Photos and videos provide accurate, objective evidence (of something). He can say anything he wants to try to defend his actions, but cameras doesn't lie—he came at those two unarmed people with a weapon! Come on, you've seen the tape, and cameras doesn't lie—these two couldn't have less chemistry if they tried. The cameras don't lie, but video editing software sure can.

the camera doesn't lie

Photos and videos provide accurate, objective evidence (of something). He can say anything he wants to try to defend his actions, but the camera doesn't lie—he came at those two unarmed people with a weapon! Come on, you've seen the tape, and the camera doesn't lie—these two couldn't have less chemistry if they tried. The camera doesn't lie, but video editing software sure can.