It was possibly related to Podesta’s email hacks...
INDEPENDENT COUNSEL NOW!
It’s a viable explanation of the DNC “hacks.”
DNC and its operatives have motive to murder the leaker.
Seth had access and was a Bernie bro who posted online he would ‘fight all the way to the convention’ against Hillary. Access + incentive.
This is why the DNC wouldn’t hand over the servers to the FBI and did their own investigation - to come up with the Russian conspiracy theory and throw off attention on their own internal leaker and his untimely death.