Peeping Toms often evolve into rapists. Burglars and rapists often peep into the windows of targets to help make their plans. Always cover and lock your windows. See Window Reinforcement.
Jared Baxter broke into a woman’s Augusta GA apartment but she managed to escape. Later, Baxter forced himself into another victim’s apartment and raped her. Baxter struck yet another victim but she fought him off. Baxter peeped through windows, watching his victims. Then police caught him in the act when they saw Baxter looking into the window of a young woman's apartment and arrested him.
Statistically, there is one peeping tom in every neighborhood. Watch for anyone suspicious. Also look for footprints, cigarette butts, and tissues near windows.