Garissa one year later

Updated 8:15 PM ET, Fri April 1, 2016
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Armed security officers in Garissa, Kenya, stand guard at the entrance of Garissa University College on Monday, January 11, after it reopened under heavy security. On April 2, 2015, more than 140 people were slain by Al-Shabaab gunmen. TONY KARUMBA/AFP/Getty Images
Students attend a lecture at Garissa University College. The government has encouraged universities across the country to train students how to respond to terror attacks. Video surveillance systems and extra police officers have been set up in schools around the country. TONY KARUMBA/AFP/Getty Images
A garment remained on the barbed wire fence near one of the dormitories targeted in the deadly siege. TONY KARUMBA/AFP/Getty Images
Students walk down a corridor at the school. It is the only institution of higher learning in the region and opened in 2013. TONY KARUMBA/AFP/Getty Images
A man walks outside a lecture hall with bullet-shattered windowpanes. During the 2015 attack, the gunmen stormed in at dawn, separated Muslims and shot Christians to death. In some cases, the militants forced students to call relatives to listen in during the killings.
Security officers conduct a search on a vehicle arriving at the school. A police station has been set up at the school and security has been increased from four officers to 30. TONY KARUMBA/AFP/Getty Images