OMAHA, Neb. -- A second, teen suspect has been arrested in a homicide that happened at the end of September. 

The Omaha Police Department said they arrested another 13-year-old boy in connection to the murder of 13-year-old Lenny Rodriguez. 

The boy was booked at Douglas County Youth Center for first-degree murder, use of a gun to commit a felony, tampering with evidence and possession of a stolen firearm. 

This arrest comes after an arrest of a 13-year-old boy Monday night in connection to the murder. 

This is an ongoing investigation.