Saldaña, Juan DiegoPayan, Tony2016-10-242016-10-242016Saldaña, Juan Diego and Payan, Tony. "The Evolution of Cartels in Mexico, 1980-2015." (2016) James A. Baker III Institute for Public Policy: <a href="http://www.bakerinstitute.org/research/evolution-cartels-mexico-1980-2015/">http://www.bakerinstitute.org/research/evolution-cartels-mexico-1980-2015/</a>.https://hdl.handle.net/1911/92474This timeline includes every major group that has been responsible for mass drug trafficking and for which sufficient information is available. engcharts