african-american, tall, dark hair, thin. is there any doubt in your mind you saw a slender, tall, black woman loading something into a vehicle in that driveway? no. between 10:25 and 10:45 on the 22nd of february 2014? there is not. he was very specific on his time he and his daughter were walking by the house. they often looked at that house because there were all sorts of cars parked there. he looks down, he sees the vehicle by the garage door. and he sees a tall, slender, black female who looked like a model entering or exiting the car, going toward the house. reporter: when they showed him a photo of samira, christainsen couldn t say for sure that was the woman he d seen. but if it was samira in her driveway around 10:30 that morning, it would give adam an air-tight alibi. he couldn t specifically