i don't know. on everything i love, you can give me a lie detector test and everything. >> reporter: just newly released video from the interrogation room. rodney kurt grills tasha thomas, the girlfriend of john crawford iii. it's just minutes after police opened fire killing crawford inside an ohio walmart. >> why would he have a gun in the walmart? >> i don't know. >> reporter: this is the incident all caught on camera, surveillance video on august 5th shows crawford wandering the aisles, talking on the phone and carrying what looks like a rifle. a concerned customer called 9-1-1 and police responded. >> holding a gun. pointing it. >> i'm in the walmart. did you say he's pointing it at people? >> affirmative, no. >> reporter: crawford's family argues crawford never had a chance. the video shows he had back to police and was on the phone when they approached and the officers opened fire just one second