investigating mr. crawford s girlfriend just after the shooting has been racing more questions and controversies. here s ana cabrera. where did you get this? sir, i don t know. i swear to god. i don t know. on everything i love, you can give me a lie detector test and everything. reporter: just newly released video from inside the interrogation room. beaver creek police lieutenant 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. does he carry a gun? i ve never known 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 911 and police responded. holding a gun. pointing it. i m in the walmart. did you say he s pointing it at people?
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