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Governor Corbett Signs Execution Warrants

01/13/2015

News for Immediate Release

Jan. 13, 2015

Five Convicted of Murder in Philadelphia, Allegheny, Bucks and York Counties

Harrisburg – Governor Tom Corbett today signed execution warrants for five individuals: one convicted of murder for the beating death of a man during a robbery in Philadelphia County; one convicted of killing his wife and son in Allegheny County; one convicted for the shooting deaths of a man and woman in Bucks County; one convicted for the shooting deaths of two men in Bucks County; and, one convicted for the shooting death of a man in York County. 

Terrance Williams was convicted in Philadelphia County Court of first-degree murder for the beating death of Amos Norwood during a robbery on June 11, 1984.

Kenneth Hairston was convicted in Allegheny County Court of two counts of first-degree murder for beating to death with a sledgehammer his wife Katherine, and their teenage autistic son Sean, on June 11, 2001.

Alfonso Sanchez was convicted in Bucks County Court of two counts of first-degree murder for the shooting deaths of Lisa Diaz and Mendez Thomas on October 16, 2007.  Sanchez received a death sentence for the murder of Ms. Diaz and a life sentence for the murder of Mr. Thomas.

Robert Diamond was convicted in Bucks County Court of two counts of first-degree murder for the shooting deaths of Angel Guadalupe and Reginald Woodson August 1, 2008.

Kevin Mattison was convicted in York County Court of first-degree murder for the shooting death of Christian Agosto during a robbery on December 9, 2008.

All five men are incarcerated at the State Correctional Institution at Greene. Williams’ execution has been scheduled for March 4, 2015; Hairston’s execution has been scheduled for March 5, 2015; Sanchez’s execution has been scheduled for March 10, 2015; Diamond’s execution has been scheduled for March 11, 2015; and Mattison’s execution has been scheduled for March 12, 2015.

The execution warrants signed today for Williams, Hairston, Sanchez, Diamond and Mattison represents Governor Corbett’s 44th through 48th warrants signed, respectively, since taking office.

Executions in Pennsylvania are carried out by lethal injection. For more information, visit the Department of Corrections online at www.cor.pa.gov.

Media contact:

Jay Pagni, Governor’s Office, 717-783-1116

Sue Bensinger, Department of Corrections, 717-728-4026

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