D.C. police have arrested a man in connection with a home invasion that occurred last week in Southeast Washington in which authorities said one of the victims fatally shot one of two assailants.

Jaren Holley, 21, of Northeast, was charged with burglary while armed. Police said he was arrested Saturday by the Capital Area Regional Fugitive Task Force.

The break-in occurred Wednesday night when police said two armed men accosted a man and woman outside the man’s apartment in the 4200 block of First St. SE, and forced their way inside.

Police said the male victim fought one attacker, Joel Johnson, and got his gun before shooting him in the head. The other gunman, alleged to be Holley, jumped out a third-story window to escape.

The man who was killed, 21-year-old Johnson, had played a role in the killing of District junior high school principal Brian K. Betts two years ago in Silver Spring. He had pleaded guilty to accessory after the fact to murder and was sentenced to five years in prison, with all but 18 months suspended. He was freed in April 2011.

Three other men involved in Betts’ killing pleaded guilty; the trigger-man was sentenced to 40 years in prison. Prosectors in Montgomery County said they offered a deal to Johnson because he had agreed to testify against the others and was crucial to naming the man who fired the fatal shots.