Dashawn Carter died on Saturday, according to the Commissioner of the New York City Department of Correction. The cause of Carter's death is under investigation.
Back in March two inmates died within a two-day period at the city-operated complex. Their causes of death are still unknown.
The troubled jail complex has been under scrutiny for some time.
In recent weeks, a federal monitor gave New York City officials a deadline of the middle of May to address issues at Rikers Island or be placed under federal control.
Concerns include security and staffing.
RELATED | Inside Rikers: An Eyewitness News investigation
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