The gunman’s father, a chief in Mandera County, had reported his son missing last year and said he feared that he had gone to Somalia.
Spokesman Mwenda Njoka said Abdirahim Abdullahi was one of the four gunmen who attacked the Garissa University College campus.
Order non-Muslims to get off, open fire in retaliation for police raids on mosques
Al- shabab’s attack highlights growing incidents of Islamic extremist violence.
US,British and Israeli agencies are helping Kenya investigate the attack.