article_snippet.sent: This confirms that there is a South Florida nexus to this,' Justin E. Fleck, supervisory special agent of the squad leading the investigation, told ABC News. '
article_snippet.sent: There are three suspects altogether .
article_snippet.sent: Wilson County Sheriff Calvin Woodard Jr. admitted last month the story was suspicious. '
article_snippet.sent: There is suspicion at this time that this could be an inside job due to the circumstances of the robbery,' a Wilson County Sheriff's Office detective wrote in a search warrant obtained by ABC. '
article_snippet.sent: It is not believed that this is a random act due to the nature and facts of the robbery.'
article_snippet.sent: Wilson County Sheriff Calvin Woodard Jr, pictured, said that differing stories from the guards about the robbery had led to suspicions over differing stories from the guards about the armed robbery accounts of the heist .
article_snippet.sent: A $50,000 reward is on offer for information leading to an arrest.