Mexico's president announced a nationwide anti-crime plan to allow Congress to dissolve local governments infiltrated by drug gangs and give state authorities control over corrupt municipal police.
The proposals announced by President Enrique Pena Nieto came two months after 43 teachers college students disappeared in the Guerrero city of Iguala, allegedly killed and incinerated by a drug gang working with local police.
Huge marches have been held to protest against their disappearance.
Mr Pena Nieto suggested his plan was influenced by the Iguala tragedy, noting its "cruelty and barbarity have shocked Mexico".
He said: "Mexico cannot go on like this. After Iguala, Mexico must change."
As if to underscore the problem, authorities said yesterday they had found the decapitated, partly burned bodies of 11 men dumped on the side of a road near another Guerrero city.
The president's plan would also relax the complex divisions between which offences are dealt with at national, state and local levels.
At present, some local police refuse to act to prevent national crimes like drug trafficking. It would also seek to establish a national identity number or document, though it was unclear what form that would take.
The plan would focus first on four of Mexico's most troubled states - Guerrero, Michoacan, Jalisco and Tamaulipas.
More national police and other security forces would be sent to the "hot land" region overlapping the first two states, where the government has already sent significant contingents of federal police and soldiers.
The reforms, some of which would require constitutional changes, will be formally presented next week. They would include a single, nationwide emergency telephone number, which the president said could be 911, as in the US.
But Mr Pena Nieto was vague in describing some of the proposals.
The focus on corrupt local governments reflects the shocking accusations made about the mayor of Iguala, Jose Luis Abarca.
Prosecutors say he collaborated with a local drug gang and ordered the detention of the students by local police, who turned them over to gang gunmen.
Municipal governments currently enjoy high levels of autonomy and control their own police forces, something the president is now seeking to weaken.
But it is not clear whether the plan proposes to eliminate local police forces, or simply change their command structure.
Similar anti-crime plans announced in 2004 and 2008 brought some improvements in areas such as vetting of police officers, but failed to prevent some entire municipal police forces from being co-opted by crime gangs.
As a result, Mexicans have become sceptical of such announcements.
"More than announcements, the public needs to see concrete actions that make this rhetoric seem believable," said Pedro Torres, a law professor at the Tecnologico de Monterrey university's school of government.
"There is definitely nothing new here that they haven't tried to implement before."
Mr Pena Nieto began his administration in 2012 hoping to concentrate on economic and legal reforms and avoid the focus on drug-gang violence that dominated the term of his predecessor, Felipe Calderon.
Yesterday was his first broad policy statement on the subject, a tacit acknowledgement that the issue had become unavoidable.
The 11 decapitated bodies were found early yesterday on a road near the Guerrero city of Chilapa, in an area that is known for gang violence and plantations of opium poppies.
It is not far from the rural teachers college attended by the missing students. The Guerrero state government said the victims had been shot dead and their heads were not found.
According to photos from the scene, a hand-lettered banner hung nearby suggested the dead men had been part of the "Ardillos" gang.
"Here is your garbage," read the banner, apparently put up by a rival gang.