MIAMI GARDENS, FLA. (WSVN) - A U.S. Marine who served two tours in Afghanistan and Iraq became a victim of a violent crime after, police said, he was killed during a carjacking in Miami Gardens.

Miami Gardens Police responded to the scene along Northwest 44th Court, Sunday, just after midnight. Investigators said 27-year-old Guillermo Comme, a father and former Marine, was gunned down outside a friend’s barbecue, as he was preparing to leave.

“It’s a shame. My cousin did those two tours, you know, and nothing ever happened to him,” said Reynaldo Tapia, Comme’s cousin.

Police said a man armed with two guns approached Comme and three others and demanded their belongings and their car. “He tried to carjack my cousins, and the sad part is that they gave up everything,” Tapia said. “They we’re willing to give up their money, their jewelry, even the car, and he still shot my cousin in the back seat.”

According to investigators, while three of the potential victims fled, Comme was shot in a struggle with the armed carjacker. Comme was then found by police, collapsed in the street on Northwest 44th Avenue. He was pronounced dead at the hospital.

According to officials, a family member of Comme’s was armed and shot the suspect, critically injuring him. The subject was rushed to the hospital, where he later died. Police later confirmed his identity as 18-year-old Demetrious Williams.

“In front of his nieces, in front of his daughter, a shooting in front of the house where there’s kids outside,” Tapia said. “In his own backyard, in the city he grew up in. It’s a shame.”

Loved ones said Comme received multiple awards for his service in Afghanistan and Iraq before he was honorably discharged. Along with his wife, he leaves behind his 9-year-old daughter.

Comme’s family has set up a GoFundMe page to help gather funds and adjust to the loss of his support and income. To donate, go to www.gofundme.com/guillermocomme.

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