Authorities said Friday that a man killed his wife and convicted two Dallas officers of sexual abuse twice before taking their lives.

Sergio Sanchez, police chief Eddie Garcia said Thursday, saw “an extensive violent criminal history”, and did not want to return to prison after he shot and killed his 31-year-old wife, April Lachele Sanchez.

A Dallas police officer investigates a crime scene at a home in the 5300 block of Bonita Ave, where two other officers were responded to an emergency call in Dallas earlier in the day, Thursday, Feb. 18, 2021.  (AP Photo /) Tony Gutierrez)

A Dallas police officer investigates a crime scene at a home in the 5300 block of Bonita Ave, where two other officers were responded to an emergency call in Dallas earlier in the day, Thursday, Feb. 18, 2021. (AP Photo /) Tony Gutierrez)

Sanchez served 12 years in prison for a 25-year prison sentence for the 1983 sexual assault, kidnapping and robbery of a 32-year-old woman.

He Released in July 1996 under a policy that prisoners should be released after serving their time, and the time earned for good behavior equaled the duration of their sentence, Dallas Morning News reports.

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Garcia said that three months after his release, Sanchez kidnapped and raped a 15-year-old girl going to school.

Sanchez pleaded guilty to sexual assault of a child in 1998 and was sentenced to five years in prison, with the then chief of police, Ben Click, saying the case highlighted the need for harsher penalties for certain crimes.

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Authorities said Sanchez called 911 Thursday to say he killed his wife. Another person said that Sanchez planned to shoot the responding officers.

“All indications prove that it looked like it was an ambush,” Garcia said.

Garcia said two officers at Byers University Medical Center were shot in the lower leg and were in stable condition. Sanchez killed himself and police did not fire any shots during the standoff with him, the chief said.