Texas man is arrested for 'threatening to shoot up' a Walmart less than one year after 23 people were shot and killed at nearby El Paso store

A 29-year-old Texas man was arrested and accused of making online threats that included a photo of a weapon and a reference to Walmart, the FBI said Saturday.

Alex R. Barron, 29, of Horizon City, Texas, was arrested Friday evening.

The FBI said it received a tip on Thursday evening about a social media post with a picture of a weapon and some of the text reading '#watchoutwalmartimcoming #droplikeflys.'

Barron was identified as the owner of the account, the FBI said.  

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The FBI said that it arrested a Texas man, who lives near El Paso, after being tipped off that he made online threats involving a picture of a gun and mentioning Walmart

Horizon City is located about 20miles (32 kilometers) southeast of El Paso, Texas, where a shooter opened fire at a Walmart on August 3, 2019. 

Twenty-three people were killed in the attack targeting Latinos, including a man who died last month from his injuries. 

The last hospitalized victim, Guillermo 'Memo' Garcia, 36, died on April 26, nearly nine months after he was shot during the mass shooting. He had shielded his wife and child, receiving multiple gunshot wounds during the effort. 

The suspect in that shooting, Patrick Crusius, 21, is awaiting trial.

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As part of the alleged threat, the man wrote '#watchoutwalmartimcoming #droplikeflys.' A Walmart in El Paso was the site of an August 2019 mass shooting that left 23 dead. An employee is seen crossing the crime scene following the shooting on August 3

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A woman is seen praying at a makeshift memorial outside the Walmart following the shooting 

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Suspected Walmart shooter Patrick Crusius, 21, is awaiting trial on the mass shooting charges. The last hospitalized victim from the incident died on April 26 after nine months in the hospital

Barron is expected to have an initial court appearance in El Paso before a US magistrate judge on Monday.

'Anyone who makes a social media post threatening be a potential active shooter should expect to be identified and prosecuted,' said Special Agent in Charge Luis M. Quesada.

Barron was being held in El Paso County jail on Saturday. 

Online jail records indicate that the FBI was the arresting agency and his charge involved firearm possession.  

Jail records did not list an attorney for him.