No decision is expected this week on charges.
Gase refused to offer any further comment but said that the possible legal issues are not related as to why the Dolphins and the wide receiver have not reached a contract extension.
Landry and his girlfriend now have a paternity case pending in Broward County.
The incident allegedly occurred in a Ft.
His girlfriend has not been cooperating with authorities, sources say.
Court records show that Landry is the defendant in an open paternity court case that was filed in April.
Dolphins head coach Adam Gase said the team is aware of the investigation.
Drafted in the second round of the 2014 NFL Draft out of LSU, Landry has been a star for the Dolphins, posting over 1,000 yards receiving the last two seasons with 14 total touchdowns.
Landry, who is entering his fourth season with the team and is scheduled to become a free agent next March, could face discipline from the National Football League under their personal conduct policy even if he is not charged.