Part-time faculty member was in a medically induced coma after the early-morning attack on the sidewalk.
Authorities said altercation broke out involving several people; victim was described as alert.
Authorities release videos showing thefts, armed holdups over the past two months.
The man targeted three victims in and around Georgetown and neighboring Burleith, according to authorities.
Victims were held in the basement, and the men beat and sexually assaulted one man.
Driver of Camaro was trapped in wreckage and seriously injured.
Police say he abandoned his bus on a busy street in Capitol Hill with three children and adult attendant aboard.
The killing occurred Monday afternoon near Gallaudet University.
Brown is accused of punching a man outside a D.C.hotel.
Spectators rushed the gate at the annual Yardfest; those hurt included two police officers.
Police say man apparently fell behind low wall.
Police arrest one man two blocks away holding cash from heist, police says.
Trains were going through the station but not stopping, although normal service has since resumed.
Video shows men going into classrooms, making off with 25 laptop computers.
A Samoan woman who came to the District to become a nun is charged with killing her newborn baby.
In other incidents Wednesday night, one person was stabbed and another was shot, neither fatally.
The man accused of killing Howard University student Omar Sykes describes a tussle after a robbery try.
The mother of the suspect questions whether her son was getting the medication he needed.
Omar Sykes was shot during apparent robbery attempt just off campus on July 4.
Police records describe alcohol-fueled birthday celebration that ended in a stabbing in high-rise apartment.