Just a Girl, a Lifetime movie in the works, is based on the story of Gwen Araujo, a trans teen murdered in 2002, and her mother, Sylvia Guerrero.

Just a Girl will star Mercedes Ruehl as a single mother whose teenage son decides to live as a girl and is then murdered. Gloria Allred, the well known civil-rights attorney, will co-executive produce.

The movie is based on the true story of Sylvia Guerrero and her son, Eddie, who begins dressing as a girl named “Gwen,” (he chooses the name because he idolizes the singer Gwen Stefani). After a group of boys murdered Gwen at a party, Guerrero crusaded for equal rights for transgender people. Allred represented Guerrero at the murder trial.

Lifetime will develop a public-service announcement with Parents, Families and Friends of Lesbians and Gays (PFLAG) to run with the movie.

ETA: J.D. Pardo will play Gwen in Just a Girl, which is scheduled to air on June 19.