The death toll from the Texas rampage rose to seven on Sunday morning. The gunman is also dead.
"The suspect continued shooting at innocent civilians all over Odessa," police said.
The Galveston, Texas, police chief said the "practice was not used correctly" considering the nature of the arrest.
Juan de Dios Velazquez had only moved to El Paso, Texas, with his wife Estela Nicolasa from Ciudad Juarez, just across the border in Mexico, six months before they were caught in Saturday's mass shooting at a Walmart store.
Governor Greg Abbott told reporters that the tragedy was "one the deadliest days in the history of Texas."
It was the "cold case" that gripped the US but police in Texas said on Friday they had found the girl who was filmed licking a tub of ice cream and returning it to a supermarket fridge in a viral video last week.
David Carter, 67, left school after struggling for several years with mental health issues, including schizophrenia and substance abuse.
Multiple vessels collided in the Houston Ship Channel Friday afternoon, spilling an unknown volume of a toxic gasoline product and forcing the partial closure of the commercial waterway.
Workers' relatives came to the facility as word spread. "It's really sad and it makes a lot of people really angry and frustrated," the daughter of a detained worker said.
A judge in Texas ruled that the U.S Affordable Care Act is unconstitutional
Willa is one of the strongest storms to lash the coast in recent years.
Blueprints for several weapons are expected to made available online on Wednesday
Dimitrios Pagourtzis killed ten people and wounded 13 after opening fire at a high school on Friday morning.
Pakistani exchange student Sabika Sheikh was in El Paso as part of a student exchange programme. It should have been an exciting opportunity for her, but instead she lost her life.
Nine students and one teacher were killed in the US' 16th deadly school shooting in 2018
The gunman, who was allegedly armed with a shotgun and a revolver, entered Sante Fe High School south of Houston as classes began on Friday morning
The most up-to-date information on the Texas school shooting on Friday.