A Town of Beloit father helps police in the arrest of a registered sex offender. Police responded to a call Monday night about 11:00 p.m. of a suspicious person in the 800 block of Lilac Road. Officers say the caller reported a man looking into their 15-year-old daughter’s bedroom window. Police say the juvenile’s father went outside to confront the suspect and a physical altercation ensued. Officers say the father was holding down 36-year-old Isreal Galindo of Beloit when they arrived and took him into custody.