Since Kenya sent troops into Somalia in October 2011 to fight Al-Shabaab, the militant group has responded with a sustained campaign of attacks on Kenyan soil. The Westgate Shopping Mall in 2013. Garissa University in 2015, where 148 students were killed. Attacks on police stations and army bases in northern Kenya. The ongoing threat has reshaped Kenya's security posture, its relationship with its Muslim communities and its approach to the Somalia border. Kenya had entered Somalia to bring stability. It brought back a war that followed it home.