. >> it appears that the fire had been lit between renee powell's legs. >> although there were no signs of forced entry, renee's purse and credit cards were missing. and all her electronic equipment was missing, like her tv and vcr. >> she had recently been doing laundry because there was laundry stacked on a sofa. you could tell she recently put together a pitcher of iced tea because there was a pitcher full of iced tea on the counter. and you could see where the ice cubes had melted from the heat of the fire. >> i picked up the phone and my sister's voice was very unusual. she said she's gone. she's dead. i said who's kid. she said renee. i said renee who. she said renee is. i said she can't be dead. i just talked to her. >> at the autopsy, the medical examiner found evidence that renee had been sexually assaulted. >> we just couldn't come up with that person that would be wanting renee dead. never was able to find any person, no family, no relatives, no past lovers, no, no one at work. >> then a month after renee's murder, there was another fire in the same apartment complex. suspect