If the FBI knew the fake documents came from the DNC (they did, but needs to proven in court) and decided to use that fabricated evidence anyways, then it formally implicates the FBI in criminal activity. If evidence of FBI criminal activity gets entered into court records during this trial, then it means the Sussman trial just turned into a chain lightning bolt that is going to hit a lot of swamp critters.

{edit}
Also, depending on the date the FBI obtained proof of the fake evidence being a DNC product, it could (almost certainly does) mean that the Mueller SC somehow overlooked that exculpatory evidence, or else that evidence was deliberately hidden from, or by{ed.2} the Mueller SC.

If the FBI knew the fake documents came from the DNC (they did, but needs to proven in court) and decided to use that fabricated evidence anyways, then it formally implicates the FBI in criminal activity. If evidence of FBI criminal activity gets entered into court records during this trial, then it means the Sussman trial just turned into a chain lightning bolt that is going to hit a lot of swamp critters.

{edit}
Also, depending on the date the FBI obtained proof of the fake evidence being a DNC product, it could (almost certainly does) mean that the Mueller SC somehow overlooked that exculpatory evidence, or else that evidence was deliberately hidden from Mueller.

If the FBI knew the fake documents came from the DNC (they did, but needs to proven in court) and decided to use that fabricated evidence anyways, then it formally implicates the FBI in criminal activity. If evidence of FBI criminal activity gets entered into court records during this trial, then it means the Sussman trial just turned into a chain lightning bolt that is going to hit a lot of swamp critters.