President Donald Trump on Wednesday called for the death penalty for the man accused of fatally stabbing Ukrainian refugee Iryna Zarutska on a Charlotte light-rail train, urging a "quick" trial and saying there was "no doubt" the suspect should be executed.

Surveillance footage released by authorities shows Zarutska, 23, being stabbed repeatedly on a Lynx Blue Line train on Aug. 22. Decarlos Brown Jr., 34, was arrested and charged Tuesday with a federal count of committing an act causing death on a mass transportation system; he also faces North Carolina state charges of first-degree murder.

In a post on his social media platform, Truth Social, Trump described the suspected attacker as "the ANIMAL who so violently killed the beautiful young lady from Ukraine, who came to America searching for peace and safety," adding that the alleged killer should be given a "Quick (there is no doubt!) Trial, and only awarded THE DEATH PENALTY." Trump also called the suspect a "monster."

Officials in Charlotte and at the federal level have said the investigation into the Aug. 22 incident remains active. The federal charge, filed under a statute covering acts causing death on mass transportation systems, followed police action and the review of surveillance video showing the assault aboard the city light-rail vehicle.

Decarlos Brown Jr.

Pam Bondi, identified by authorities as the attorney general handling the prosecution, said prosecutors would "seek the maximum penalty for this unforgivable crime" and that the suspect "will never again see the light of day as a free man." Court filings and local officials list both the federal and state counts as moving forward; no trial date has been publicly announced.

The killing has drawn national attention in part because the victim was a recent immigrant from Ukraine. Statements from authorities and the president emphasized the brutality captured on video and framed the case as one meriting the most severe penalties available under law.

Calls from a sitting president for a particular criminal punishment are uncommon and underscore the political salience of high-profile violent crimes. Capital punishment remains a contentious issue in American politics and law, with statutes and the availability of the death penalty varying between federal and state jurisdictions.

Death penalty sign

Authorities have said they will continue their investigation and that both federal and state prosecutors will pursue charges. Defense attorneys for the accused had not publicly responded to the federal indictment as of the most recent filings. Local officials urged the public to await the outcome of legal proceedings as evidence is presented in court.