A 14-year-old in Wyoming was fatally stabbed on Sunday trying to protect his girlfriend and her friend from two teenage boys who were following them around the mall.

Bobby Maher was identified by a family friend on GoFundMe as the victim who was allegedly killed following a confrontation with two 15-year-old boys at the Eastridge Mall in Casper.

According to documents cited by local news station KCWY, one of the boys was charged with murder, conspiracy to commit murder, aggravated assault and battery, and theft. The other 15-year-old was charged with conspiracy to commit first-degree murder, aggravated assault and battery, and a misdemeanor theft charge. Both have been charged as adults, according to the Casper Star-Tribune .