Drug cartels

Relatives mourn next to the coffin containing the remain of police officer Pablo Sergio Reynel, one of the police officers killed in an apparent cartel ambush, during a memorial service in Morelia, Mexico, Tuesday, Oct. 15, 2019. The families of the 13 slain police officers gathered to mourn their loved ones outside a funeral home in the western state of Michoacan on Tuesday, many of them angry at the government and police chiefs they believe sent them to a certain death. (AP Photo/Marco Ugarte)

A charred truck that belongs to Michoacan state police sits on the side of the road after it was burned during an attack, as state police drive past in El Aguaje, Mexico, Monday, Oct. 14, 2019. At least 13 police officers were killed and three others injured Monday in the ambush. (AP Photo/Armando Solis)

FILE - This file booking photo provided by the Weber County Sheriff's Office shows Aaron Michael Shamo. Shamo was convicted Friday, Aug. 30, 2019, of running a multimillion-dollar opioid ring that sent hundreds of thousands of potentially deadly pills across the country from his suburban basement. (Weber County Sheriff's Office via AP, File)

FILE - In this June 2, 2019 file photo, the body of a bloodied man lies in the middle of a street where police and forensic workers secure the crime scene in Acapulco, Mexico. Mexico's drug war appears to be back, and it may be worse this time around than in the bloody years of the government's 2006-2012 offensive against drug cartels. Back then, the worst of the violence was confined to a few cities. Now it is spread throughout the country. (AP Photo/Bernardindo Hernandez, File)

Mike, right, and Becky Shamo, left, the parents of Aaron Shamo, walk with another family member as they leave the federal courthouse Thursday, Aug. 29, 2019, Salt Lake City. A jury is deliberating in the case of a Utah man accused of running a multimillion-dollar opioid ring that shipped fake prescription drugs across the country, causing at least one fatal overdose. Prosecutors said during closing arguments that Aaron Shamo's operation helped fuel the nation's opioid epidemic by making hundreds of thousands of pills available to addicts and other users. (AP Photo/Rick Bowmer)

Relatives of one of the victims that died during an attack at a nightclub, cry outside the Veracruz state prosecutors office in Coatzacoalcos, Mexico, Wednesday, Aug. 28, 2019. The attack killed more than 20 people and injured about a dozen. Authorities said it was apparently overseen by a man who had been recently arrested but released. (AP Photo/Felix Marquez)

FILE - This booking photo provided by the Weber County Sheriff's Office shows Aaron Michael Shamo. Shamo, a 29-year-old man at the center of a multimillion-dollar dark web opioid drug ring case says he saw himself as helping people get prescription drugs they needed while making money for himself and his friends. Shamo took the stand in a federal courtroom in Salt Lake City on Tuesday, Aug. 27, 2019, miles from the suburban basement where he and a friend pressed thousands of fentanyl-laced fake oxycodone pills that were shipped to people all over the country. (Weber County Sheriff's Office via AP, File)

Former MLB pitcher Octavio Dotel is transferred to a police station after his arrest for alleged links to a drug-trafficking and money-laundering ring in Santo Domingo, Dominican Republic, Tuesday, Aug. 20, 2019. There was no immediate comment from Dotel, who set a record for playing on more MLB teams than any other player. (Pedro Sosa/Diario Hoy via AP)

Officials wheel evidence in to the federal courthouse Monday, Aug. 12, 2019, in Salt Lake City. Former Eagle Scout Aaron Shamo, 29, will stand trial on allegations that he and a small group of fellow millennials ran a multimillion-dollar empire from the basement of his suburban Salt Lake City home by trafficking hundreds of thousands of pills containing fentanyl, the potent synthetic opioid that has exacerbated the country's overdose epidemic in recent years. (AP Photo/Rick Bowmer)