Roberto Solis is a convicted murderer, armored car robber, and criminal. He has more than 30 aliases, including Pancho Aguila, a pen name he used in prison while writing poetry. He disappeared in October 1993.

Solis served 23 years in prison for murdering Louis Dake, a security guard, during an armored truck robbery in 1969.^[1][2] He was given parole in 1992.^[3] Following his release, he met Heather Tallchief, who became employed by a security company at his urging.

In October 1993, following Solis' instructions, Tallchief drove away in an armored vehicle containing $3.1 million.^[2][3] The two subsequently went on the run and had a child.^[4] Tallchief gave herself up in September 2005.^[5] On March 30, 2006, she was sentenced to 63 months in prison and released on parole in June 2010,^[6] but Solis is still at large.^[3]

• List of fugitives from justice who disappeared

• Aguila, Pancho, 1976. Hijacked. Berkeley : Twowindows Press.
• Aguila, Pancho, 1977. 11 Poems. San Jose: Mango Press.
• Aguila, Pancho, 1977. Anti-gravity. Berkeley: Aldebaran Review.
• Aguila, Pancho, 1977. Dark Smoke: Poems. San Francisco : Second Coming Press. ISBN 0-915016-14-1
• Clash, 1980 Paperback, Poetry For The People
• The Therapeutist and the 3rd Day Hunger Poem, 1978, single tri-fold sheet, Berkeley: Artaud's Elbow