Jonathan Stone Williams was 19 when he was found dead behind a vacant house in southwestern Birmingham on October 14, 2016. He was an African American male, and his body’s discovery prompted a homicide investigation by the Birmingham Police Department.

Details about what happened to Jonathan are sparse. Authorities have not released a cause of death or a motive, and no arrests or publicly identified suspects have been reported. The case has been featured by Crime Stoppers of Metro Alabama, which has asked the public for any information that could help solve the killing.

Who knew Jonathan, or who might remember seeing anything suspicious in that neighborhood around October 14, 2016?