It is as it is - an unprovoked religious hate crime
I'd be calling back to say that you intend to press charges, not because of personal loss, but because you see it as an unprovoked religious hate crime which decent folk do not tolerate. And that even when caught the perpetrators could not find in themselves to be honest about it (bring up that 2007 wtbts article about how concealing the truth is an accepted sinister practice for jws) - and that due to such a bias nature of that organisation you think it proper that secular authorities should be involved.
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OR, as someone mentioned "THE SIX O'CLOCK NEWS"
Do you think that because one of them owned up to the real truth (religious hate crime), that you could simply get a RELIGIOUS HATE CRIME story on the news - it'd be great light - and they can screw each other over by themselves after that - save the public money.