Was released from Soledad CTF (Correctional Training Facility) in August 1969.
Was considered for the role of Det. Rey Curtis on Law & Order (1990).
Has two sons: Danny Boy (b. 1981) from an earlier marriage, Gilbert Trejo (b. 1988) and one daughter Danielle Trejo (b. 1990).
He is one of the most prolific of American actors, having usually done at least 4 films a year since the 1990s. In 2002 alone, he did 9 films.
He and director Robert Rodriguez are second cousins.