church goers in garissa, kenya, faced security patdowns and armed guards as they made their way to pray this easter sunday. the country is reeling from thursday s massacre of at least 147 people at the university in garissa. one of the gunmen has been identified. bill neely is in nairobi, kenya. what do you know about the gunman? reporter: hello alex. as if quenkenyans haven t had enough shocks, another one today when one of the four gunmen responsible for the massacre was identified as a kenyan and not just that, but as the son of a government official. he was named by the interior ministry as abdi rahim mohammad abdulahi, a graduate of the university of nairobi, a law graduate and said to be a brill jant brillant student. his father reported him missing