Dion Whitehead was arrested Thursday night on four counts of robbery.
Police say the muggings began back in May, with Whitehead going after a new victim every few days.
He has prior arrests for attempted murder and drug charges.
The first incident happened on May 5 inside the elevator of a Avenue C building just before 7:30 p.m. The man approached a 59-year-old woman, simulated a firearm and demanded the woman's chain.
Police say he most recently robbed a 56-year-old man of his wallet on Roosevelt Drive at 10:30 p.m. on Friday, July 20.
In each case, the suspect approached victims in various locations, displayed or simulated a weapon (firearm or knife), threatened the victims and demanded personal property. The victims were not injured as a result of the robberies.
All the incidents happened late at night and also included thefts of cell phones and other electronics.
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