According to the local press these civilians will be insured by the Maricopa County Sherriff's Office, which means that the County is on the financial hook for anything that they might happen to do wrong - but they aren't.
Now it's fair to point this isn't really knew, Arpaio has tried it before.
Arpaio first started using his posse to protect malls during the holiday shopping season in 1993 in response to violent incidents in prior years. Since then he said malls where his posse members are on patrol have had zero violent re-occurrences and patrols by his all-volunteer squad during the 2012 shopping season netted a record 31 arrests. Arpaio said since the program has worked so well in malls he believes it will work just as well protecting schools.
I can understand the desire to give someone a second chance but... This is coming from the guy who - to this very day - thinks that Obama's Birth Certificate is a Forgery and is using taxpayer money to try and prove it.
This, coming from the Sherriff who arrested a six-year-old for suspicion of being "undocumented" on the same day that the President said that Federal Policy would be lenient on "undocumented" minors.

Continues after article

'Arizona Sheriff Joe Arpaio Arrests 6-Year-Old Undocumented Immigrant'

 
Joe Arpaio, the controversial Arizona Sheriff from Maricopa County, arrested a 6-year-old undocumented immigrant on Friday. The move came the same day President Obama announced a new policy halting deportations for young undocumented immigrants.

The Arizona Republic has the story:
The girl was with 15 other people believed to be in the country illegally who were traveling to the Midwest and northeast United States, said Chris Hegstrom, spokesman for the Sheriff’s Office.

“She’s been turned over to ICE (Immigration and Customs Enforcement) to try to determine where she’s from. She told us she’s from El Salvador. That’s what she told us,” he said.
The arrest took place Friday night at an undisclosed location in northern Maricopa County…The sheriff said his deputies arresting child suspected of being an illegal immigrant the same day Obama implemented the policy is a coincidence. But if more illegal children enter the country after hearing about the new policy, Arpaio said it may not be by happenstance.“Are we going to get more of these situations where illegals feel like now they’re going to be safe? I don’t know,” he said.
Immediately following the President’s announcement Arpaio told a local ABC affiliate that it would not impact his approach toward young undocumented immigrants. “They will still be arrested,” he said.

Arpaio is currently being sued by the Department of Justice for multiple civil rights violations. He also admitted to using taxpayer resources to pursue an investigation into President Obama’s birth certificate, a widely debunked conspiracy theory.
Update
Teen Advocates USA
http://blogs.phoenixnewtimes.com/valleyfever/kids_jail1.jpg Not the Maricopa County Sheriff's Office
The Phoenix New Times disputes the Arizona Republic report and says the 6-year-old was taken into custody but never arrested. The Arizona Republic story has not been updated.
Despite what you may have heard -- and how Joe Arpaio-ish it sounds -- Maricopa County Sheriff's deputies did not arrest a 6-year-old on Friday.

MCSO spokesman Chris Hegstrom tells New Times deputies arrested 16 people during a human-smuggling operation, but the 6-year-old found in the van wasn't one of them.

"We're not arresting a 6-year-old," Hegstrom says.
 
Update
Arpaio confirms the arrest of the 6-year-old on CNN
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This, coming from the Sherriff who argued that he may need to supply his deputies with automatic weapons to protect them from the heinous attempted escape of undocumented suspects.
Sheriff Joe Arpaio says, “Once again the entry into Maricopa County from Mexico by illegal aliens does not seem to have subsided by evidence of numerous arrests made by my deputies. Aside from their determination to get away we will continue to make every effort to pursue and apprehend human smugglers as well as drug traffickers. More and more illegal aliens are attempting to escape which places my deputies in dangerous positions. In the near future I will be issuing automatic weapons for all my deputies”.
But the truth is we're not really just talking about crimes and abuse from their past -- these are some examples of the what the local CBS station found have already happened with members of this "Posse".
"Don't get me wrong, I've done some things in my life that I'm not proud of," said Michael Hoopingarner who admits to being arrested for cocaine possession in 1999. "It's stuff that may not even be on paper. It's stuff that I had to disclose when I joined." ... A posse applicant "could be disqualified" if they have a felony conviction, have used illegal drugs excessively, or sport a misdemeanor narcotics conviction, according to the sheriff's office posse application. Despite Hoopingarner's disclosure, he was hired on the posse.   And then there was Jacob Cutler. According to a Flagstaff police report, Cutler threw his girlfriend to the ground and choked her while trying to sexually assault her in 2008. When she didn't cooperate, he allegedly threatened to call police and said they would side with him, because he "has a badge." He was a member of Arpaio's posse at the time.
...
Kevin Ray Campos was arrested in 2007 outside a Scottsdale club for disorderly conduct. According to the police report, he spit on several bouncers and then hurled profanities at a Scottsdale police officer. He pleaded guilty to a misdemeanor, according to court records, and was hired as a posse member a year later.
Anyone else see a potential problem brewing here? Vyan