"Disappeared in El Salvador", by Mary Beth Sheridan and Anna Catherine Brigida October 2019, in the Washington Post.

"How to win a drug war", Steven Cohen in The Baffler, July 2019.

"Acclaim to UML Professor for Look at Drugs, Violence", in the Lowell Sun, July 2019.

"Por qué los capos narcos como Pablo Escobar y Joaquín 'El Chapo' Guzmán son 'una especie en extinción'", por Gerardo Lissardy BBC Mundo, Marzo 2019.

"Why Colombia Keeps Electing Presidents Tied to Murderers", by Steven Cohen at the The New Republic, June 2018.

"As Colombia’s peace talks progress disagreements with US may be around the corner", Guest at BYU radio's Top of Mind with Julie Rose, April 2018.

"Criminal Truces in Latin America The Ultimate Catch" 22, June 2016 , by David Gagne in Insight Crime.

"As Colombia’s peace talks progress disagreements with US may be around the corner", by Eric Auner, World Politics Review.

"Mexican drug war gone wild", by Jaime Ortega. Fall 2012.

La "guerra contra las drogas": La urgencia de repensar la estrategia, by Blanca Heredia.

"Tijuana sees drop in drug violence", by Sandra Dibble.

"Tijuana’s succesful security chief job at risk", by Richard Marosi.