The Legislature's Joint Interim Travel, Recreation, Wildlife and Cultural Resources committee has endorsed a proposed bill that would allow silencers be used while hunting in Wyoming. Doug Randall has the details. Sweetwater county authorities says they are focusing on four different areas in their investigation into the death of 17 year old Rigoberto Alvarado, who's body was found in a shallow grave outside of Rock Springs on August 19th. Click past the jump to listen to Wyoming Radio News.