wasn t studying because his grade reflected her tutoring. so she took it seriously. reporter: julie s mom, june. she told me about sam. he s like a big teddy bear, always nice to everybody. that s why we get together at his place, you know, a lot of times. reporter: julie, who lived at home, got to know everyone at the complex. and rachel connected with julie. they were both dancers. we had like done some ballet moves in our bathing suits at the tool and talked about how we should take a couple of dance classes together. reporter: that chance never arrived. on friday, may 21st, 2010, julie was at home with her mom. i was cooking in the kitchen and she said bye, mom, i m