A 58-year-old Madison man is accused of exposing himself to a woman and her children while thrusting his hips and yelling. The incident reportedly happened Tuesday at about 6:30 P-M. The 31-year-old woman tells police Waldemar Santiago-Rivera broke a bottle on the ground when she shouted for him to stop exposing himself and leave. A second woman also tried to get him to depart, but she backed off when he began waving a knife in her direction. Santiago-Rivera has been charged with several offenses, including disorderly conduct and lewd and lascivious behavior-exposure.