Transcript for FBI Searches for Clues in San Bernardino Lake
minutes. New developments in the California terror attack. Investigators are searching for the killer's missing hard drive. Divers pulled objects from a lake that's been at the center of the serge. This is all about trying to understand more about the motives of these husband and wife killers. And who, if anyone, may have been helping them. Kayna Whitworth is on the story. Reporter: This morning, after two days of searching, FBI investigators are focusing on hard drive missing from Syed farook's home computer, which may contain a trove of evidence about how the San Bernardino terror attack was planned and carried out. We're searching for any evidence that has to do with this crime. Reporter: That hard dive, one of the items divers are sergie search for at the bottom of the lake. Whether they're able the to get all the information from these devices, that's a question of what damage the water has done. Reporter: Overnight, the FBI confirming to ABC news, they pulled items from the lake. But cannot verify if they're related to the terror investigation. The FBI still holding Enrique Marquez in custody. Syed's friend and neighbor. Whose assault rifles Syed farook and tashfeen ma legal used to kill 14 people. Enrique was a smart kid. Reporter: The owner of Morgan's tavern, where Marquez worked part time for three years remembers him as quiet and polite. He checked I.D.S. He had a congenial personality that people felt comfortable around. Reporter: One of the bar's regular patrons said Marquez made allusions about terrorism. He would say there's so many sleeper cells and when it happens, it would be big. Reporter: They say he bragged ability marrying farook's sister-in-law. He said he married her for the Visa. Reporter: Marquez worked at Morgan's taf for three years. In 2012, authorities say perhaps Marquez and farook were planning something but got cold feet. Paula? Thank you, kayna.
This transcript has been automatically generated and may not be 100% accurate.