His death was a sudden and DIRECT RESULT of the redifot.
The person doing it would probably be classified as a rotseach begrama.
He passed away two years after the harassment by an individual.
What is your source for your murder accusation? Is it the same source as the nonsense about Ashkavta D’Rebbi being banned from Chabad, while every Chabad minhagim sefer printed in the last 50 years quotes it *hundreds* of times, and it’s often quoted in yeshivos to this day as one of the most respected seforim on Chabad hostory? The Chabad magazine “? ???????? ??????” ran a feature on the sefer. Parts have been translated to English by Chabad yeshivos.