Police in the Fort Worth suburb of Benbrook are investigating what appears to be a murder and suicide.
It happened Sunday night at a home near Interstate 20 and Winscott Road.
Police said 43-year-old Robert Wrinkle, Jr. knocked on 43-year-old David Hunter's door. He was looking for his ex-girlfriend.
There was a confrontation and for some reason Hunter shot Wrinkle through the glass.
Hunter called 911 and then allegedly shot and killed himself, police said.
Wrinkle was rushed to the hospital, but later died.
Police believe the two men knew each other.
They interviewed another person who was home at the time determine what happened.