Mansilla, who had a valid concealed weapons permit at the time of the attack, drew his .38 caliber pistol and during a scuffle fired at point blank range, killing Acevedo.
Acevedo's accomplice, Christian Arenas Perona, attempted to flee, but was immediately detained by police.
[4] Education Faculty dean Manuel Asmat and Congressman Juan Díaz Dios presented a writ of habeas corpus on Mansilla's behalf.
Classmate Marco Vargas Romero labeled the judge's decision, "unbelievable" "surprising" and "arbitrary".
On 12 January 2012, José Luis Pérez, head of the Instituto Nacional Penitenciario (INPE), received a judicial order for Mansilla's release[7] issued by Juan Carlos Aranda Giraldo, who presides over the second penal court, revoking the detention order.