In this Sunday, Jan. 3, 2016 photo, mourners carry the coffin of slain mayor of Temixco, Gisela Mota, to the cemetery in Pueblo Viejo, Mexico. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Mourners carry the coffin of slain mayor of Temixco, Gisela Mota, to the cemetery in Pueblo Viejo, Mexico, Sunday, Jan. 3, 2016. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Mourners carry the coffin of slain mayor of Temixco, Gisela Mota, to the cemetery in Pueblo Viejo, Mexico, Sunday, Jan. 3, 2016. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

A man plays the accordion during the wake of the slain mayor of Temixco, Gisela Mota, at her home in Temixco, Mexico, Sunday, Jan. 3, 2016. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Family members of the slain mayor of Temixco, Gisela Mota, mourn next to her casket, during a ceremony in her honor, at the mayor's office building of Temixco, Mexico, Sunday, Jan. 3, 2016. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Mourners hug during a memorial mass for Gisela Mota, who was killed one day after taking office as mayor, at her home in Temixco, Morelos State, Mexico, Sunday, Jan. 3, 2106. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Family members mourn during the wake of the slain mayor of Temixco, Gisela Mota, at her home in Temixco, Mexico, Sunday, Jan. 3, 2016. Mota took office as mayor of the city of on Jan. 1 and was shot at her home on Jan. 2. The governor of the southern Mexican state of Morelos says the killing of the mayor was a warning by drug gangs, meant to convince other officials to reject state police control of local forces. (AP Photo/Tony Rivera)

Forensic investigators inspect a car outside the home where Gisela Mota was killed, one day after taking office as mayor, in Temixco, Morelos State, Mexico, Saturday, Jan. 2, 2016. The Morelos state Public Security Commission says attackers invaded Mota's house on Saturday morning and killed her. Mota was sworn into office on New Year's Day. (AP Photo/Tony Rivera)

In this Friday, Jan. 1, 2016 photo, Gisela Mota waves during her swearing in ceremony as mayor of Temixco, Morelos State, Mexico. The Morelos state Public Security Commission says attackers invaded Mota's house on Saturday morning and killed her. (AP Photo/Tony Rivera)