officers say detective kevin cornish was cruel willly one of a kind. he got the a lot of bad guys off of the streets. this morning he died doing what he loves: giving back. it was the annual 19154, 5k, a race named for the zip code and community it runs through, pennsylvania park wood and northeast philadelphia saturday morning one of those runners was bensalem police detective kevin cornish who suddenly collapsed on the course, and then died. >> they say everybody is irreplaceable this guy is not replaceable. >> public safety director fred harring says the four two-year old husband and father of a 11 year-old daughter was raising money for his parish and youth programs. philadelphia police say shortly after 9:00 a.m. race started detective cornish fell near academy and torey road. he suffered a massive heart attack. >> it is a loss to the community. here is a guy last year got been sale willry officer of the year for his charity work. he died, doing charity work. >> reporter: cornish was a 12 year veteran on the tors part of the special victims unit s