A 64-year-old woman jumped from her third-floor window, breaking her leg, to escape her knife-wielding son, police said Saturday. Cops on Saturday were still looking for the 36-year-old son, who has been arrested more than 30 times,

A Queens woman seriously hurt after police said she jumped from her third-story window to get away from her troubled, knife-wielding son was so fearful of him, she developed a secret knock to let her neighbor know if she was in danger,

A deranged son tossed his 64-year-old mother out of a third-floor apartment window in Queens on Friday night, police and sources said.