Authorities are searching for a 16-year-old wanted for the Sunday shooting death of an 18-year-old man at a home near Mabton. Yakima County Sheriff's deputies are searching for 16-year-old Juan Luis Reyna. They say he fatally shot 18-year-old Marco Fuentas at a party on Sunday at a home in the 300 block of Fisher Road. Reyna has been charged with first degree murder in connection with the shooting. He's also facing an assault charge for injuring another person who was treated and released from a local hospital.