A man has been sentenced to five years in federal prison in a police car set on fire outside Philadelphia's City Hall during 2020 protests following the death of George Floyd.

Khalif Miller, 27, told a federal judge Monday he was sorry for his actions, which prosecutors described as throwing papers into a burning cruiser, The Philadelphia Inquirer reported. U.S. District Chief Judge Juan R. Sánchez imposed a 61-month term on obstructing law enforcement during a civil disorder and firearms counts.

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Miller had earlier criticized the case against him but said Monday he now believes his behavior may have detracted from his aim of advocating for a larger role for mental health professionals in law enforcement.

"I regret it. Honestly, I really regret it," he said.

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Trial is scheduled later this month for a co-defendant, Anthony Smith, a well-known west Philadelphia activist. Carlos Matchett of Atlantic City, New Jersey was sentenced last month to 46 months in prison after pleading guilty to obstructing law enforcement during a civil disorder and traveling to incite a riot.

Two other defendants who pleaded guilty to setting fire to cars during the demonstration have been sentenced to shorter terms — Ayoub Tabri, of Arlington, Virginia to 364 days and Lore-Elisabeth Blumenthal of Jenkintown to 2½ years.