On May 26, 1986, he was arrested, along with Reynaldo Blanco (future president of the CDHES) by members of the Treasury Police jailed in the La Esperanza prison for nine months where he was interrogated and tortured. In jail Anaya worked on a human rights record which included testimonies of 430 of the 432 inmates describing methods of torture applied to them. The 160 pages record and a video showing torture signs were smuggled outside and sent to the Marin County Interfaith Task Force.
On May 26, 1986, Anaya was detained, along with Reynaldo Blanco, by Treasury Police officers at La Esperanza prison for nine months. In jail, he compiled a human rights record based on accounts from 430 inmates describing torture methods, which were then smuggled out and sent to the Marin County Interfaith Task Force.