Zachary Young alleged CNN defamed him in a report by chief security correspondent Alex Marquardt that said he operated in a "black market."

The jury deliberated for more than eight hours starting before ruling in favor of Zachary Young in his defamation suit against CNN.

Lawyers on both sides delivered impassioned closing arguments on Thursday as Zachary Young’s high-profile defamation lawsuit against CNN heads to the jury.

Witnesses from the network described its vetting system for stories, which involves members of its fact-checking, legal and standards and practices divisions.