CIUDAD VICTORIA, Mexico (AP) - A dozen state police officers were arrested for allegedly killing 19 people, including Guatemalan migrants, whose bodies were found shot and burned across the Rio Grande from Texas, late in January, Mexican authorities announced Tuesday.
Tamaulipas state Attorney General Irving Barrios Mojica said all 12 officers were in custody and face charges of homicide, abuse of authority and making false statements.
The killings revived memories of the gruesome 2010 massacre of 72 migrants near the town of San Fernando in the same gang-ridden state. But those killings were done by a drug cartel, while it is likely many people will find it more shocking that the Jan. 22 slayings allegedly were carried out by law enforcement.
"In the aforementioned acts of Jan. 22, at least 12 state police officers participated," Barrios Mojica said.
The attorney general did not say what motive the officers might have had, though corrupt local and state police in Mexico are often in the pay of drug cartels.
Cartels in Mexico often charge migrant smugglers for crossing their territory, and kidnap or kill migrants whose smugglers have not paid or paid a rival gang.
The bodies were found piled in a charred pickup truck in Camargo, close to the U.S. border, in an area bloodied for years by turf battles between the remnants of the Gulf cartel and the old Zetas cartel.
Authorities said they have identified four of the dead so far - two Guatemalans and two Mexicans. Their names have not been released by officials, but relatives of one of the dead Mexicans said he worked as an immigrant trafficker.
Of the 19 bodies examined by experts, 16 were found to be males, one was confirmed as female and the two others were so badly burned their gender had not yet been determined.
The forensic results confirmed the fears of families in a rural Indigenous farming community in Guatemala who have said they lost contact with 13 migrants as they travelled toward the United States.
The truck holding the bodies had 113 bullet impacts, but authorities were confused by the fact that almost no spent shell casings were found at the scene.
Initially, that led investigators to speculate the shootings may have taken place elsewhere, and the truck driven to the spot where it was set on fire.
But Barrios Mojica said the state police officers charged in the killings knew their shell casing might give them away, so probably picked them up.
"There is growing force behind the hypothesis that the crime scene was altered, due to the absence of casings," he said.
In describing the hours that led up to the killings, Barrios Mojica said the truck carrying the victims was apparently part of a larger convoy of vehicles transporting migrants from Guatemala and El Salvador to smuggle them across the U.S. border. He said the trucks also carried armed men to provide protection.
Barrios Mojica did not rule out that the reason for the killings may have been a dispute between drug gangs, which fight over territory and the right to charge migrant smugglers for passing through "their" territory.
The massacre is the latest chapter in Tamaulipas' history of police corruption. Most towns and cities in the state saw their municipal police forces dissolved years ago, because officers were often in the pay of the cartels. A more professional state police force was supposed to be the answer, a belief that came crashing down with the arrests announced Tuesday.
A repeat of the 2010 massacre has long been one of the Mexican government's worst nightmares.
In August 2010, Zetas cartel members stopped two tractor-trailers carrying dozens of mostly Central American migrants and took them to a ranch in the Tamaulipas town of San Fernando. After the migrants refused to work for the cartel, they were blindfolded, tied up on the floor and shot dead.
In 2019, President Andrés Manuel López Obrador said, "We do not want a repeat of horrendous, regrettable acts like San Fernando."
Relatives of migrants from Guatemala's province of San Marcos are so convinced that 13 of the 19 charred corpses were their loved ones that some of the families already erected traditional altars to the dead, with flowers and photographs.
Some of the relatives in Guatemala told of receiving calls from the migrant smuggler who took the group of 10 males and three female north, telling them their family members were dead. Relatives said they lost contact with them around around Jan. 21.
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