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Catherine Smit-Torrez, a 25-year law enforcement official, said based on policy and protocol, the actions taken by the officer do not appear to warrant use of deadly force.
Video shows Tyrese Garner, 19, pushing his way through a metal detector and then going after the agents on Tuesday.
Police said Thursday night, Ruben Alvarado, 22, was arrested and brought to Dallas Police Headquarters for questioning. Police said he refused to talk with detectives.
Bruce Carneil Webster was among five men prosecutors say kidnapped Lisa Rene from her Arlington home to get revenge on her two brothers for a botched $5,000 marijuana deal.
Julie Jenkins Brewer, 45, was arrested at the Coppell Middle School West campus in January by Dallas County Sheriff's deputies.
The federal law enforcement official said a member of Clyde's family called a national tip line to say he was suicidal and had a fascination with guns.
Dallas Police and U.S. Marshals North Texas Fugitives Task Force have arrested two young men for the murder of Ruben Luis Lopez, 19, on Wednesday, April 17.
"After reviewing the evidence and speaking with witnesses, a decision has been made to refer this case to the Dallas County Grand Jury for the charge of murder," Dallas Police said.
Two adults and three juvenile suspects were taken into custody following a vehicle crash hours after the armed robbery.
Officials in the Dominican Republic believe the target was another man wearing a similar outfit as Ortiz.
Woodrow Stevenson Head, 33, who will be charged with capital murder in Midlothian, was in the Cooke County Jail on an unrelated drug charge.
Dallas Police said a 3-year-old boy is safe after the vehicle he was asleep in was stolen while his guardian at the time went into a South Dallas discount store.
It took 20 wreckers to remove all of the vehicle frames and parts that were found on property behind a barber shop in the 400 block of East Saner in West Dallas.
Webb, 51, faces anywhere from 20 years to life in prison and a fine of up to $250,000.
Andre Timothy Jackson, Jr., a Marine Corps veteran, was arrested during a traffic stop in Baytown, a Houston suburb.