So, I did a little looking into this....
The article cited is is dated April 2012. There is a link within the article to a source for the info. That also is dated the same month. When I googled 'Sheriff Jeff Christopher' there are many alternative media sources reporting about his story with headlines like this:
'AG strips sheriff of arrest powers.'
Something to that effect.
But, what I did not know....is that Delaware's sheriffs have had no arrest powers for quite some time;
at least as of 2002, when one of the sheriffs made an attempt to 'increase' his powers.
The reason Christopher was in the headlines is b/c he (and rightly so) took the State constitution at its words ('conservator of the peace') and began allowing his deputies to make traffic stops and arrests, but according to complaints and state officials, his deputies weren't 'trained' in this capacity and were 'messing up' police investigations (and, mostly likey, the state just wants to keep the status quo). It is interesting to note that the sheriffs of the other 2 counties have not joined Christopher in his fight to gain full law enforcement powers.
I didn't realize there was a difference from state to state on the powers, or limit thereof, of the county sheriff. For example, Delaware's sheriffs are essentially officers of the court.
"Responsibilities include processing orders of the court system; summoning inquests, jurors, and witnesses for the courts; and, conducting execution sales against personal and real estate property." They provide ''enforcement sources for the court.''(taken from wiki link below).
The Delaware Congress viewed the 'conservator or peace' line in the state congress as ambiguous, so they passed a more specific bill codifying things they way they've been for some time. Sheriff Christopher is suing (with the help of sheriff Mack). Here's a link to the info:http://cspoa.org/sheriff-jeff-christopher-lawsuit-a-republic-if-you-can-keep-it/
See this wikipedia article for a summary of the sheriff powers in your state:http://en.wikipedia.org/wiki/Sheriffs_in_the_United_States#Delaware
Thankfully, mine has full law enforcement powers.
As a side note, Connecticut did
abolish the office of sheriff (in 2000, I believe).