I heard the either KG or the NYP reporter say he was about 60 but not sure WHEN he was 60...maybe when Shawn was born. Something like that.
If his dad was born in 1931, and Shawn was born in 1991, then his dad would've been 60 when Shawn was born.
Here's Shawn's birthdate:
http://web.archive.org/web/20030203062421/http://shawnhornbeck.com/