Jason Lewis, the man accused of shooting 13-year-old Karon Blake outside his home earlier this month, has been charged with second-degree murder while armed, according to Washington, D.C., police.

Blake was shot and killed after an alleged interaction with Lewis, who said he saw Blake appear to be "tampering with" with cars shortly before 4 a.m. on Jan. 7.

This is a developing story. Please check back for updates.