In this March 2012 photo provided by his family, Punjab Singh poses at a Sikh temple in Glen Rock, N.J. Singh was critically injured in a shooting rampage at a Sikh temple in Oak Creek, Wis., in August 2012 that left six people dead. The 65-year-old Sikh priest had remained largely unresponsive at a Wisconsin care facility until January 2013 when he began showing signs of cognitive improvement. (AP Photo/Family photo)

Associated Press
In this March 2012 photo provided by his family, Punjab Singh poses at a Sikh temple in Glen Rock, N.J. Singh was critically injured in a shooting rampage at a Sikh temple in Oak Creek, Wis., in August 2012 that left six people dead. The 65-year-old Sikh priest had remained largely unresponsive at a Wisconsin care facility until January 2013 when he began showing signs of cognitive improvement. (AP Photo/Family photo)
In this March 2012 photo provided by his family, Punjab Singh poses at a Sikh temple in Glen Rock, N.J. Singh was critically injured in a shooting rampage at a Sikh temple in Oak Creek, Wis., in August 2012 that left six people dead. The 65-year-old Sikh priest had remained largely unresponsive at a Wisconsin care facility until January 2013 when he began showing signs of cognitive improvement. (AP Photo/Family photo)
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