Chicago police say a 16-year-old is facing a felony charge after a robbery attack on the city's North Side earlier this month.

The intruders allegedly held a person captive for about an hour and demanded access to a safe, computer and online cryptocurrency accounts.

Two teenage boys were charged in connection with three armed robberies last month across a pair of Chicago neighborhoods.

The suspect charged in Saturday’s shooting at Endeavor Health Swedish Hospital in Chicago has a lengthy criminal record, NBC 5 investigates has learned, leading officials to question Illinois’ SAFE-T Act and why the 26-year-old suspect was released from custody multiple times.

Short, fast sprees involving teenagers have popped up in Chicago this year. Teen trio nabbed reported a January case in which three teens were arrested after several gunpoint robberies on the North Side, and authorities have called for cross-unit coordination on similar cases.

Chicago police have issued an alert about a robbery crew targeting restaurants on the city's North Side and West Side. A worker was pistol whipped and robbed on the job this week.

Chicago police are warning businesses about a crew of armed robbers who have been linked to at least five overnight incidents in the past week.