The burglars who killed a Lower Merion man and severely wounded his mother during a home invasion last month that targeted the wrong house were part of a sophisticated gun trafficking ring that manufactured and sold illegally modified firearms to criminals,

Another man has been charged with murder and conspiracy in last month’s deadly home invasion in Lower Merion. According to the Montgomery County District Attorney’s Office, it was all part of a larger gun trafficking ring.

Another person is under arrest in connection with a home invasion and shooting that left a man dead and his mother critically injured in Lower Merion Township, Pennsylvania. Authorities said the investigation into the homicide also led them to uncover a gun trafficking ring and the arrest of several others involved.