The plot thinkens:
If this is the same mark Karr, note his "resume":
http://www.job4teacher.com/Candidates/JohnKarr.html
There are a lot of red warning flags in this guy's bio.
The timeline seems to fit as well.
They need to check on those 8 and 10 year old girls (and the others) in Germany, Netherlands and Korea and find out if he molested them (well duh).
Oh yeah, my cousin's name is John Karr. God I have to call him and ask how his day is going, hehe.