JP Morgan Chase started as The Manhattan Company (http://en.wikipedia.org/wiki/The_Manhattan_Company). Formed to provide a clean water supply instead the owners took 95% of the $2 million to form a bank and created a system of waterworks that caused massive cholera outbreaks ... I don't think MtGox has killed anyone yet, though I've been convinced for a time that they've probably made-off with a lot of the money.

JP Morgan Chase aren't exactly trustworthy either, motivation based on pure financial profit will do that - a synopsis of some of their major indiscretions: http://www.icij.org/offshore/jpmorgan-chases-record-highligh...