Dallas - Dallas police arrested a man who they say shot and killed his wife in north Oak Cliff at the Oak Cliff Tower just after midnight Saturday.
The suspect, David Thompson, called 911 to say he had just shot his wife because she tried to kill him at his workplace, said Dallas police.
He works at the Oak Cliff Tower as a licensed commissioned security officer.
Her body was found in the lobby of the office building at 400 S. Zang Boulevard.
Dallas police are investigating the circumstances surrounding the shooting.