[BeadCounter]

... FBI says sophisticated tech behind wave of attacks against Jewish centers

... law enforcement officials are speculating that one individual or group may be using sophisticated call spoofing technology to send out threats from locations that are masked by traditional call-tracing techniques.

http://www.rawstory.com/2017/03/100-threats-in-two-months-fbi-says-sophisticated-tech-behind-wave-of-attacks-against-jewish-centers/

If they are masking the source, I guess we don’t know where the calls are coming from but they could be overseas.

Here’s a little something more:

FBI investigating gunshot at Indiana synagogue as hate crime
http://thehill.com/blogs/blog-briefing-room/321804-fbi-investigating-gunshot-at-indiana-synagogue-as-hate-crime

[Steve_Seattle]

"FBI says sophisticated tech behind wave of attacks against Jewish centers"

That does not suggest that it's being done by KKK hicks in Mississippi.