UPDATED | May 15, 2017 4:30PM

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IRVING (CBSDFW.COM) – The Irving Police Department is investigating a sexual assault case involving a 9-year-old girl that happened at a Metro PCS store in the 1400 block of E. Grauwyler Road.

During the past year, the victim was dropped off at the store to play while her mother attended a Zumba class next door.

“Obviously hindsight’s 20/20. We can look back and say this never would’ve happened had that child not been left there. Apparently this was kind of a common practice among many parents, and there had been no issues in the past. There are statues for child endangerment. At the moment, there’s not enough evidence to support that she knowingly left her child in a situation,” said Irving police spokesman James McLellan.

On April 18, the little girl made an outcry to a school counselor that she was inappropriately touched by a man in the store. During a forensic interview, she described how a male employee took her to a back room on several occasions and sexually assaulted her.

Detectives identified Gerardo Israel Strauss, 36, as the suspect in the case.

On May 12 Strauss was taken into custody on a charge of Aggravated Sexual Assault (Child) with the bond set at $100,000. He remains in the Irving City Jail as detectives continue their investigation.

Children who were left unattended with Strauss should be questioned about inappropriate physical contact.

“We’re open to the fact that there may be additional victims,” said McLellan.

The Metro PCS store is currently closed.

Anyone with concerns that their child may be a victim is asked to contact Detective Curtis at (972) 721.2535.