U.S. Marshals announced the arrest of 21-year-old Zaire Manning.
He was taken into custody Tuesday on the 6300 block of Greene Street.
The victim was identified as 20-year-old Imani Ringgold.
She was on her way home when she was shot 18 times on April 7th.
Police say it was a case of mistaken identity.
She was trying to catch the bus when the suspects pulled up in a Mazda and opened fire.
Another suspect, 24-year-old Hamza Ruley, is already in police custody.