Bank employee gave 'go signal' to boyfriend in violent attempted robbery caught on video, prosecutors say

A bank employee gave a "go signal" to her boyfriend before a violent attempted robbery in Texas, prosecutors said in court on Wednesday.

Shelby Wyse was the third person taken into custody in connection with Friday's assault in Houston that has left a woman critically injured. A fourth suspect remains at large.

Surveillance video shows the victim parking at a gas station after making the withdrawal of $75,000 at Wallis State Bank. She was taking the money to her family's place of business, according to ABC 13.

Video shows a man running up to her and trying to grab her purse. She holds onto the purse as she falls to the ground.

As another man tries to help the victim during the violent struggle, a car driven by a suspect backs into the woman, and the assailants flee with some of the money.

One man suspected of being involved in the attack was arrested later on Friday, while a second man was taken into custody Monday.

The 25-year-old Wyse, who does not have a criminal history, was arrested on Tuesday and charged with aggravated robbery. Prosecutors say she rented the car used in the attack, according to Click 2 Houston, and that she sent a text message after the withdrawal was made.

"Presumably a go signal," prosecutors said in court.

Travonn Johnson, Wyse's boyfriend, was arrested along with alleged accomplice Davis Mitchell. Prosecutors say it was Johnson who backed the vehicle into the woman.

"She was followed from the bank to the business by these two robbers who drove in separate cars," Harris County Constable Mark Herman told ABC 13.

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