BREAKING: Missouri performs its first execution of 2015

Walter Timothy Storey was the first Missouri inmate put to death this year after a record 10 executions in 2014. The U.S. Supreme Court refused to halt the execution despite concerns about Missouri's secretive process for obtaining and using the lethal injection drug pentobarbital. Storey was convicted of breaking into his neighbor's home and slitting her throat in 1990. FOR MORE ON THIS STORY, GO TO:   USATODAY.COM