Arrests part of a string of high - level arrests targeting Mexican drug cartel . La Familia was involved in slayings of two federal police officers this morning . An unprecedented wave of violence has washed over Mexico since President Felipe Calderon declared war on the drug cartels shortly after coming into office in 2006 . Also accused of being group 's bookkeeper arrested yesterday , authorities say .
Arrests part of a string of high - level arrests targeting Mexican drug cartel . La Familia was involved in slayings of two federal police officers this morning . Also accused of being group 's bookkeeper arrested yesterday , authorities say .