Posters of missing dogs blanket a wall at the animal shelter in 

Posters of missing dogs blanket a wall at the animal shelter in the hilltop borough of Iztapalapa in southeast Mexico City, Tuesday, Jan. 8, 2013. The fatal mauling of four people by feral dogs in a Mexico City park set off debate Tuesday about the city's love/hate relationship with its dog population, and the guilt or innocence of 25 dogs trapped near the scene of the nightmarish killings. Liliana Hernandez, a self-described street dog rights activist who lives near the park, says many people let their dogs out during the day because their cinderblock homes are too small to keep them inside. Resident of their neighborhood started running frantically to collect their dogs when police began seizing strays Monday night, she said. A veterinarian at the Iztapalapa animal shelter said it appeared that at least one of the 25 captured dogs had been a pet. (AP Photo/Eduardo Verdugo)
Associated Press
Posters of missing dogs blanket a wall at the animal shelter in the hilltop borough of Iztapalapa in southeast Mexico City, Tuesday, Jan. 8, 2013. The fatal mauling of four people by feral dogs in a Mexico City park set off debate Tuesday about the city's love/hate relationship with its dog population, and the guilt or innocence of 25 dogs trapped near the scene of the nightmarish killings. Liliana Hernandez, a self-described street dog rights activist who lives near the park, says many people let their dogs out during the day because their cinderblock homes are too small to keep them inside. Resident of their neighborhood started running frantically to collect their dogs when police began seizing strays Monday night, she said. A veterinarian at the Iztapalapa animal shelter said it appeared that at least one of the 25 captured dogs had been a pet. (AP Photo/Eduardo Verdugo)
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