cartel leaders, performing many clandestine operations and it's rumored that they have even operated in foreign soil in the Central American region where they have hunted down Zetas leaders in the past. One of FER's most recent interventions took place at dawn on January 5, 2023, where, in a joint-operation with the F.E. B.F.P., elements of the SEDENA Special Forces Corps and National Guard troops; assault teams of the FER and the F.E. B.F.P. were deployed to a ranch located in the community of Jesús María, Sinaloa, where they managed to recapture the well-known drug trafficker Ovidio Guzman Lopez, aka. "El Ratón" after wiping out his personal security group (Los Ninis) during fierce engagements, shortly after the capture there were multiple violent acts throughout the state of Sinaloa as a retaliation from the CDS, during the operation some FER operators were KIA. References Special forces of Mexico