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.

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.

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.

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.

A 24-page petition filed July 10 focused on witnesses who recently recanted testimony that helped convict Bell of two 1993 slayings.