Four people are behind bars for their alleged involvement in two Michigan City robberies.
The first happened last night in the parking lot of the Lighthouse Mall. The second, two hours later, to a pizza delivery driver in the 300 block of South Street.
Police found four people in the suspect's vehicle in the 4100 block of Franklin Street. They arrested Jacob Brennan, 20, Matthew Chambers, 18, Nena Diaz, 29, and John King Jr., 19.
The four are also facing charges of felony robbery, among others.