more about christina's boyfriend, hunter foster. her parents told police that relationship was rocky. >> she was planning on leaving him. i do know that for sure. >> she was home alone a lot by herself because he'd go out partying with his friends. and she was lonely. she was sad. >> and when police talked with christina's friend steven, he told them she'd been texting hunter that night asking him to pick her up from the shopping center. >> she had texted him a few times and then he stopped texting her back, and then she tried calling him and he didn't answer. >> as a result, steven said, christina became more and more upset as the night wore on. >> i mean, yeah, they were in a fight. >> they were definitely fighting that last night? >> uh-huh. >> police asked hunter to come down to the station. former prosecutor zeke fortenberry. >> what's he say about that fight that he and christina were having? >> hunter says he wasn't really aware of the fight. he said that he was out drinking, partying. he wasn't paying attention to his phone. >> and yet it's the opinion of all her friends who heard her