Houston Police Sergeant Steve Perez died when he drove his patrol auto "in the darkness" under an underpass into deep water, police chief Art Acevedo said.
Perez leaves his wife, Cheryl, a son and a daughter.
Houston Police Chief Art Acevedo became emotional while discussing the death of his officer Sgt. Steve Perez.
Turner added that Perez had been so determined to report for duty that morning, that when his wife urged him to reconsider leaving home, he responded, "I've got work to do".
Perez, a veteran of 34 years with the city's police force, left his home at 4 a.m.in heavy rain and spent 2 1/2 hours driving around as he tried to get to work. Calls for rescue have also overwhelmed emergency teams that they have had little time to search for bodies.
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Perez was a "dedicated individual that would not just show up to work", Acevedo said. He said that was when a search was launched to find Perez.
"We made a decision to leave officers there waiting until the morning, because as much as we wanted to recover him last night, we could not put more officers at risk for what we knew in our hearts was going to be a recovery mission", the chief said.
The department has not formally notified the family, the newspaper said.
Chief Arcevedo said he was "heartened" by the fact he soon realize of the Perez family that this was a "family of faith, faith in God, there's hope in eternal life".
"Steve was one of the sweetest people I've met in this department...because he was a sweet, gentle public servant".