A protective personality for family and friends was the norm for Kyle teen Michael Mince.

Like many older brothers, Michael was protective of his younger sister, said Karin Mince, Michael’s mother. That and sports primarily his favorite team, the Texas Longhorns, were the two passions that fueled him.

“He was bullied a lot when he was younger,” Karin said. “He became everyone’s protector as he grew up.”

It wasn’t until after Michael’s tragic death in ...