The victim's parents said their son had a heart for helping others and believed the tragedy could have been avoided.

Matthew Purdy pleaded guilty to all charges against him in the shooting death of Wes Smith. Purdy, 23, was then sentenced to 60 years in state prison as part of the plea agreement with the Tarrant County District Attorney's Office.

Your actions caused catastrophic, monumental mourning,” the victim’s father, Philip Smith, told Matthew Purdy at his sentencing hearing.