kevon austin was held responsible for the arson. the aunt says he was sent to a juvenile facility here. then a juvenile facility in florida for a year. then a group home here. then placed in her custody after that. now comes the charge of murder. >> i tried to do my best to, you know, to try to give him an environment in which he could grow, and get educated, or get a job or something. but he just kept going in and out of the system. after this last incident, i'm just done. >> reporter: at the time of the murder, kevon austin was wearing a court-ordered gps tracking device on his ankle. but right before the murder, it stops working. how did that happen? indeed, there are a lot of questions here, including one from toni troxler. she wants to know why her son was gunned down in that alley. >> i just want to know why. that's all, i want to know why. >> reporter: murder suspect kevon austin held without bond tonight pending further court action in the case. live at superior court, pat collins, news4. >>> a husband and wife from bristol,

kevon austin was held responsible for the arson. the aunt says he was sent to a juvenile facility here. then a juvenile facility in florida for a year. then a group home here. then placed in her custody after that. now comes the charge of murder. >> i tried to do my best to, you know, to try to give him an environment in which he could grow, and, you know, get educated, or get a job or something. but he just kept going in and out of the system. and after this last incident, i'm just done. >> reporter: at the time of the murder, kevon austin was wearing a gps tracking device on his ankle. but right before the murder, it stops working. how did that happen. indeed, there are a lot of questions here, including one from toni troxler. she wants to know why her son was gunned down in that alley. >> i just want to know why. that's all i want to know, why. >> reporter: murder suspect kevon austin held without bond tonight pending further court action in the case. at superior court, pat collins, news4. >>> a stretch of road in prince george's