April 5, 1991 • Sisters Julie and Robin Kerry are raped by men they encounter on the old Chain of Rocks Bridge and are forced off to their deaths in the Mississippi River. A male cousin, Thomas Cummins, is forced to jump too, but he survives. Police initially think he killed the women.
April 8, 1991 • Reginald Clemons, 19, and Marlin Gray, 23, are charged with murder.
April 26: 1991 • Fishermen find the body of Julie Kerry, 20, in the river, near Caruthersville, Mo. The body of Robin Kerry, 19, is never recovered.
June 1991 • Juveniles Daniel R. Winfrey, 15, and Antonio D. Richardson, 16, are certified as adults and also charged with murder.
September 1992 • Winfrey makes a deal to testify against the others in exchange for a 30-year prison sentence for second-degree murder.
October 1992 • A jury finds Gray guilty of first-degree murder and recommends execution.
February 1993 • A jury finds Clemons guilty of first-degree murder and recommends execution.
March 1993 • A jury convicts Richardson of first-degree murder but cannot agree on a penalty; a judge sentences him to death.
March 2001 • The U.S. Supreme Court halts Richardson's execution pending a decision on the constitutionality of condemning people of low intelligence.
August 2002 • A federal judge overturns Clemons' death sentence, ruling that six prospective jurors were improperly excluded after expressing reservations about capital punishment.
October 2003 • The Missouri Supreme Court tosses out the death sentences of Richardson and two other men in unrelated cases because their penalties were decided by judges instead of juries. Richardson is resentenced to life in prison without parole.
September 2004 • A federal appeals court reinstates Clemons' death sentence.
October 2005 • Gray is executed.
2007 • Winfrey is released on parole.
June 2009 • A federal appeals court halts Clemons' execution, without explanation.
July 2009 • On Clemons' appeal, the Missouri Supreme Court appoints a special master, Jackson County Circuit Judge Michael Manners, to investigate claims that Clemons was wrongly convicted. His lawyers claim police coercion and unfair treatment.
June 2010 • The U.S. Supreme Court refuses to review Clemons' case.
September 2012 • Manners schedules a hearing on Clemons' claims.