Some law enforcement officers wore wetsuits Monday while searching near both Hernandez's home and the industrial park where Odin Lloyd's body was found.
Lloyd, a 27-year-old semi-pro football player for the Boston Bandits, was found slain June 17. His relatives said he was dating the sister of Hernandez's fiancee, that the two men were friends and that both men were out together on the last night of Lloyd's life.
An Attleboro District Court official said no new documents were available in connection with the case Monday morning. The Bristol County district attorney's office also didn't release any new information about the case, which their spokeswoman called "an active, ongoing investigation."
A court official said last week that three search warrants had been issued, but none of them had been returned, meaning they weren't yet public.
Hernandez hasn't commented on the homicide investigation, but has been seen with his lawyer.
The Patriots drafted Hernandez, who is originally from Bristol, Conn., out of the University of Florida in 2010. Last summer, the team gave him a five-year contract worth $40 million.
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