http://wikiless.i2p/wiki/December_1969?lang=en
Died: Joseph "Jock" Yablonski , 59, a candidate for the presidency of the United Mine Workers of America , was murdered along with his wife and his 25-year-old daughter by a trio of hitmen who invaded his home in Clarksville, Pennsylvania . The three bodies were not discovered until five days later, when all three were found shot to death in their beds. [ 92 ] The murders would be traced to the man whom Yablonski was challenging, UMWA President Tony Boyle .