Complex sentence: Wade lost the opportunity to try Lee Harvey Oswald for Kennedy's murder when Dallas nightclub operator Jack Ruby shot the suspect just two days later, but became nationally recognized for prosecuting Ruby himself for Oswald's murder.
Split into simpler sentences: Wade lost the opportunity to try Lee Harvey Oswald for JFK's murder when Dallas nightclub operator Jack Ruby shot the suspect just two days later. Nonetheless, Wade became nationally recognized for prosecuting Ruby himself for Oswald's murder.