Though I can't say I am all that surprised. It was only a matter of time before things like this started to happen:

3 arrested in killings of dad, girl in Arivaca | www.azstarnet.com ®
3 arrested in killings of dad, girl in Arivaca
Sheriff: Border watchers were after drugs, money
By Jamar Younger
ARIZONA DAILY STAR
Tucson, Arizona | Published: 06.13. ( Read more... )