Mexico on Sept. 30 extradited 13 people to the United States—including two accused drug lords and several suspects in two high-profile attacks on US citizens. One was the 2011 deadly ambush of US immigration agents in San Luis Potosí state; the other the previous year's killing of US consulate workers in Ciudad Juárez. The two accused kingpins were Edgar Valdez Villarreal AKA "La Barbie" of the Beltran- Leyva Organization and Jorge Costilla Sánchez AKA "El Coss" of Los Zetas. The US Justice Department hyped the extraditions as signaling a new binational coordination following a June meeting between US Attorney General Loretta Lynch and her Mexican counterpart, Arely Gómez. As AP noted, extraditions had fallen dramatically since 2012, the final year of President Felipe Calderón's term, when Mexico sent 115 people to face criminal charges in the US. Under President Enrique Peña Nieto, the number dropped to just 66 last year. (AP, Sept. 30)

Mexican authorities on Oct. 1 claimed another coup against the cartels, announcing the arrest of Héctor Beltran Leyva, last remaining kingpin of the Beltran Leyva Organization—the declining crime machine that once controlled much of the west and central parts of the country. Beltran Leyva was taken into custody by army troops "without a shot fired" as he dined in a seafood restaurant in the tourist town of San Miguel de Allende, Guanajuato state. (LAT, Oct. 1) The capture follows that earlier this year of the Sinaloa Cartel's long-fugitive jefe máximo Joaquin Guzmán Loera AKA "El Chapo"—marking another score for President Enrique Peña Nieto, and his supposed new and more sophisticated policy against the cartels.

A new massacre is reported from Ciudad Juárez, again raising fears of a return to the wave of deadly gangland violence that convulsed the Mexican border city for much of the past decade. Eight members of a single family—including two four-year-old girls and a six-year-old boy—were killed in their home Nov. 17 in the colonia (neighborhood) of Morelos Zaragoza. The bodies of the children were found on their beds, with multiple stab wounds, as were those of two young women. The two men were on armchairs, handcuffed and gagged. A two-month-old baby, known to have lived in the house, was not found among the dead. The family had been planning an event for their Jehova's Witnesses congregation when the attack took place. (Pulso, IOL, Proceso, Nov. 17)

The Chamber of Deputies of the Mexican Congress voted 390-69 on Sept. 2 in favor of the Professional Teaching Service Law, legislation that requires teachers to be evaluated periodically, although it allows two retests for teachers who fail the evaluation. This is the third in a series of "educational reforms" being pushed by President Enrique Peña Nieto. The Senate completed the approval process the next day by voting 102-22 for the law. In both chambers the center-left Party of the Democratic Revolution (PRD) was split; five of the party's 22 senators backed the law. (Europa Press, Sept. 2; La Jornada, Mexico, Sept. 4)

A vigilante calling herself Diana​ the Hunter (Diana la Cazadora) claimed credit in a series of communiques for the slaying of two bus drivers last week in northern Mexico's Ciudad Juárez, saying the killings were revenge for sexual abuse of women by night-shift drivers. "I and other women suffered... but we can't stay quiet," one of the e-mails said. "I am the instrument of vengeance for several women." Witnesses to the first killing Aug. 28 said a black-clad woman with a blonde wig or dyed hair approached the  driver, took out a pistol, shot him in the head and left the bus. The same killer told the second victim before dispatching him, "You guys think you're real bad, don't you?" The targeted bus line brings many women back and forth from the maquiladoras that ring Ciudad Juárez.

Mexico's most notorious kingpin, Rafael Caro Quintero, was released Aug. 9 from Puente Grande federal prison in Jalisco where he had been incarcerated for the past 28 years. He left the facility at dawn, several hours before the release order was made public. The First Appellate Tribunal in Guadalajara found in March that Caro Quintero was improperly tried for the 1985 torture-killing of DEA agent Enrique "Kiki" Camarena, and that charges should have been brought at the state rather than federal level. Federal prosecutors immediately appealed to the Supreme Justice Court of the Nation, which refused to rescind the lower court's decision. The Third Circuit Tribunal, also in Guadalajara, has now followed through by issuing Caro Quintero an amparo—a judicial order barring any federal action against him. 

Murders in the Mexican border state of Tamaulipas jumped more than 90% and kidnapping reports more than doubled over last year to the highest rate in the country, according to a new travel warning issued July 26 by the US State Department. The State Department maintained its stance that US citizens should defer all non-essential travel to Tamaulipas, as carjackings, armed robberies, gun battles and grenade attacks continue to pervade the region, including in the border towns of Matamoros and Reynosa. "These crimes occur in all parts of the city at all times of the day," the bulletin stated.

Seven were killed March 29 when a masked gunman in a bullet-proof vest and black uniform opened fire with an AK-47 in a bar in in the commercial center of Chihuahua City in northern Mexico. Three of the dead were women who worked at the bar, called Mogavi. The city has seen a wave of violence as the Juárez Cartel and Sinaloa Cartel battle for control of the strategic corridor leading to the border town of Ciudad Juárez, immediately up the highway to the north. In a similar incident that night, gunmen opened fire in a bar in Ciudad Altamirano, Guerrero state, killing four civilians and three off-duty federal agents. The previous night, an armed commando raided a nightclub called La Habana in Oaxaca City, in Mexico's south, menacing staff and patrons with AK-47s, shooting up the bar's facade, and abducting one man identified only by his nickname, "El Chiquilín."