[captioning made possible by cosgrovemeurer productions, inc. ] 6 00 pm. 18year old leroy drieth has just left his girlfriends house. He is killed instantly. The coroners ruling . Suicide. His sister, vickie, has always been convinced that her brother was murdered. I took a vow that i would do this for my brother. And i dont feel like i can stop until its done, because i would be letting him down. And i already feel l le the authoritieielet him down, and obviously someone took his life and someone has to stand up and talk for him. For vickie mahrling, time has stood still since the day her brother died. Her goal is simple to bring leroys killer to justice, no matter how long it takes. Leroy drieth was the oldest of four children. At the agegef 17, he fell in love with a 16yearold girl named patty. A year later, they were engaged. On the day he died, leroy went to a party at pattys house. How are you . Good. Good. A block and a half away, his car smashed headon into a tree. The first pe