but after cadaver dogs found the sent out human remains o christmas card detective brian wallace was - >> wallace pushed him for th truth. >> how did it happen did she fall yeah she did was she drunk? what happened? >> that's exactly it we were struggling over th phone. angela, only this time we were outside in the steps and, she lost her footing. she fell at the step. then i heard the crack >> you said they wer struggling over cell phone she slipped, fell backwards, and hit her head and died. >> did you believe this? >> no. no way >> finally, chris admitted heather was dead but insisted it was only a accident still, the most importan evidence was missing heather's body krystal detectives he dumped her at a gas station police went there, found nothing, and checked securit cameras. >> they got videos from th last 15 days they've looked at everything from 10 am to four i am, you car never even pulled in the lot. >> chris then changed his stor and said he paid someone to ge rid of the body. >> i jokingly asked, hey you want to make a couple hundre bucks. >> no no, chris, stop. now this