A District man was sentenced to 24 years in prison Friday for the 2010 fatal stabbing of a man he had met at a District bar earlier that evening.

D.C. Superior Court Judge Robert E. Morin sentenced Marcus Mclean, 26, to prison after Mclean in April plead guilty to second-degree murder in the Aug. 8, 2010 slaying of Delando King, 34, in King’s apartment in the 1100 block of 10th St. NW.

Authorities said Mclean stabbed King 28 times with a butcher knife and then stole various items from King’s apartment including his wallet, iPod and laptop computer. Assistant U.S. Attorney Jennifer Kerkhoff played surveillance videos in court that showed Mclean at various convenience stores and a movie theater hours after King’s death, using his victim’s credit card for purchases.

King, originally from New Mexico and a member of the Navajo Nation, was employed by the U.S. Indian Health Service.

At the time of King’s death, gay-rights advocates were alarmed that King was targeted because he was gay. During their investigation, authorities learned both men were gay. But it was unclear what caused Mclean, who at 6-feet, 7-inches and a history of bipolar and other mental health problems, to violently stab King who was about 5-feet, 5-inches.

“His conduct is dangerous, and I’m not certain he won’t do this again when he gets out,” Kerkhoff, who requested a 28-year sentence, told the judge.

But Mclean’s attorneys Kia Sears and Laura Rose of the District’s Public Defender Service, said Mclean’s mental health and years of physical and emotional abuse from family members, classmates and neighbors caused their client to “snap.”

“He grew up believing his life was not only an abomination but was a choice, and it was unthinkable,” Rose said.

Mclean apologized to King’s family and partner who sat in the front row of the courtroom. “I’m very sorry. I didn’t mean for this to happen. I’m mentally ill and I need help. Please help me,” he said.