A suburban St. Louis man is charged with second-degree murder in the strangling death of his wife. Police say 42-year-old Peter Chafin of Florissant called authorities on Thursday, December 15th, and arrived to find 22-year-old Kiera Chafin strangled to death in their home. Police say Chafin told them an argument turned physical. The couple’s sons, ages 2 months and 9 months, were in the home but were unharmed. They are now in custody of the Missouri Division of Family Services.