With Michael Bell's execution in Florida on Tuesday, the U.S. has now had more executions in any given year since 2015, when there were 28.

According to a review by The Marshall Project, at least 34 boys who stayed at the infamous Dozier School and another 16 sent to Okeechobee — a separate boys’ school with a troubled history — ended up on Florida’s death row.

A nonprofit identified at least 50 people who attended Dozier and Okeechobee, a similar state-run reform school, who ended up on death row. The documented abuses at those schools have advocates asking for leniency.

As the state prepares to execute Jacksonville killer Michael Bell, here's a look at five of the most reprehensible cases this century in Duval County.

Michael Bernard Bell, 54, received a lethal injection Tuesday evening for the 1993 double murder of Jimmy West and Tamecka Smith.