fbi dive teams wrapping up a three day search at the bottom of the lake in san bernardino. they are looking for evidence that may have been dumped by free syed rizwan farook and tashfeen malik. investigators revealed nothing from the investigation. we get more from cnn's ana cabrera cabre cabrera in san bernardino. >> reporter: we're here at the tribute for the 14 people that lost their lives. this as the department of environmental health is set to reopen today. as the community moves forward and tries to heal, the investigation continues. over the weekend, investigators wrapped up the search of the lake near the crime scene.