I recently read that the Revolution slider has a critical vulnerability that opens up server data to exploiters. This has been fixed in its latest version, but I am wondering if your Church theme has been properly updated because the packaged plugins do not seem to have a good/easy way to be updated sans theme.
The issue is documented at https://msisac.cisecurity.org/advisories/2014/2014-070.cfm, but as with most vulnerabilities, the info on "how to hack this" is not posted (for good reason). I am wondering if the latest version of Churchope uses a version of Responsive Slider newer than 4.1.4.