Sen. Ted CruzRafael (Ted) Edward CruzO'Rourke prepping run for governor in Texas: report Support for Abbott plunging in Texas: poll White House debates vaccines for air travel MORE (R-Texas) said Monday it was "reprehensible" that Rep. Ilhan OmarIlhan OmarOcasio-Cortez, Bush push to add expanded unemployment in .5T spending plan Enough with the GDP — it's time to measure genuine progress Overnight Energy & Environment — Presented by the American Petroleum Institute — Democrats eye potential carbon price in reconciliation bill MORE (D-Minn.) was receiving death threats.

“This is reprehensible,” Cruz tweeted. “Disagree with @IlhanMN on the merits, fine, but death threats to anyone are not a joke.”

The Texas senator spoke out after Chad Loder, the CEO and founder of tech company Habitu8, tweeted screenshots of death threats against Omar.

“Maybe Twitter has improved its policing of death threats since ABCNews and WaPo covered this 6 months ago?” Loder tweeted. “Oh.”

Omar tagged Twitter, calling the threats “unacceptable.” 

The Minnesota Democrat has said she received an increase in death threats in April after President TrumpDonald TrumpCapitol fencing starts coming down after 'Justice for J6' rally Netanyahu suggests Biden fell asleep in meeting with Israeli PM Aides try to keep Biden away from unscripted events or long interviews, book claims MORE shared a video that included images of the 9/11 attacks interlaced with some of her comments.

In July, a crowd at a Trump rally in North Carolina chanted, “Send her back” in reference to Omar after the president tweeted that she and other women of color who serve in the House — Democratic Reps. Alexandria Ocasio-CortezAlexandria Ocasio-CortezMcCarthy on Dems' spending bill: 'The amount of money we spent to win World War II' On The Money — Presented by Wells Fargo — Pelosi plows full speed ahead on jam-packed agenda Photos of the Week: Renewable energy, gymnast testimonies and a Met Gala dress MORE (N.Y.), Ayanna PressleyAyanna PressleyHaitians stuck in Texas extend Biden's immigration woes Advocates 'in utter disbelief' after Biden resumes Haitian repatriations Democratic bill would force Fed to defund fossil fuels MORE (Mass.) and Rashida TlaibRashida Harbi TlaibDemocratic bill would force Fed to defund fossil fuels Democrats brace for battle on Biden's .5 trillion spending plan 'Squad' members call on Biden to shut down Line 3 pipeline in Minnesota MORE (Mich.) — should "go back and help fix the totally broken and crime infested places from which they came."

All four lawmakers are U.S. citizens. Omar came to the United States as a Somali refugee.