The father of a 15-year-old girl restrained a registered sex offender who had been looking in his daughter’s bedroom window. When police arrived, they took Isreal Galindo into custody. The father tells officers he and Galindo had a brief physical altercation, but he was able to hold the man down until they arrived. Galindo is being held in the Rock County Jail on charges of disorderly conduct and trespassing. The incident happened Monday at about 11:00 P-M in the Town of Beloit.