Demonstrations were held Tuesday in at least eight cities across Mexico to protest the killings of three journalists in the the last two weeks.
In the border city of Tijuana two journalists have been killed in the space of a week. On Jan. 17, crime photographer Margarito Martínez was gunned down outside his home. And on Jan. 23, reporter Lourdes Maldonado López was found shot to death inside her car.
