@steele found a source for context:

“We also have homegrown criminals that push people into subways that hit elderly ladies on the back of the head with a baseball bat when they’re not looking, that are absolute monsters,” Trump told reporters inside the Oval Office...

“I’d like to include them in the group of people to get them out of the country,” added Trump. The president emphasized that he would only do so by following the law, though he admitted, “I don’t know what the laws are.” Trump explained that Attorney General Pam Bondi is studying the law on the matter...

It follows similar statements from Trump’s White House Press Secretary Karoline Leavitt, who said last week that the president was looking into deporting “heinous, violent criminals” who are U.S. citizens to El Salvador, adding, “if there’s a legal pathway to do that.”

https://www.yahoo.com/news/homegrowns-next-trump-provokes-fears-182000185.html