^Juan Flores - Salsa Rising: New York Latin Music of the Sixties Generation 2016 0190499532 "The defining role of Lavoe's colloquial Spanish in the performance of these songs is obvious, as are the historic compositions of the revered songwriter from Puerto Rico, Tite Curet Alonso, in much of Colón's repertoire. ... and violence of the first four, and anticipating the next four to come, La Gran Fuga (The Great Escape), El Juicio (The Verdict), Lo Mato (I'll Kill Him), and Crime Pays (title in English)."
^Music, Writing, and Cultural Unity in the Caribbean Timothy J. Reiss - 2005 p 240 "All contributed to create the image of Colon and Lavoe as the bad guys of salsa and their band as a gang of the Latin community. After Lo mato, Colon broke up the group in order to make other experiments with Latin music (Rondon).
^The Guinness Encyclopedia of Popular Music - Volume 2 - Page 899 1561591769 Colin Larkin - 1995 " Cosa Nuestra (1970), was the first to go gold, followed by gold record awards for The Big Break - La Gran Fuga ( 1971 ), El Juicio (1972) and Lo Mato (1973)."
^The Book of Salsa: A Chronicle of Urban Music from the Caribbean to ... 0807831298 César Miguel Rondón - 2008 -"Wearing gangsterlike sideburns, Willie is on the witness stand facing Jerry Masucci, who is dressed as a judge. (As president of Fania, Masucci never could resist the temptation of free publicity.) "