Prior to his tenure in the Knights Templar, he was a top leader of the split-off group La Familia Michoacana.

[2][3][4] Following the reported death of Nazario Moreno González in 2010, La Familia Michoacana broke off and formed the Knights Templar Cartel,[5][6] an organized crime gang based in the Mexican state of Michoacán.

His duties were to coordinate the production and smuggling operations of methamphetamine from Mexico into US[3] He was wanted by the governments of Mexico and the U.S.[7][8][9] On 25 February 2010, the United States Department of the Treasury sanctioned Plancarte Solís under the Foreign Narcotics Kingpin Designation Act (sometimes referred to simply as the "Kingpin Act"), for his involvement in drug trafficking along with twenty-one other international criminals and ten foreign entities.

[10] The act prohibited U.S. citizens and companies from doing any kind of business activity with him, and virtually froze all his assets in the U.S.[11] Plancarte Solís was killed in a gunfight with soldiers of the Mexican Navy on 31 March 2014 in Colón, Querétaro.

[14] His nephew Mario Loya Contreras was arrested by the Mexican Federal Police in Apatzingán with four other suspected criminals on 5 June 2014.