ENCORE: Nearly five decades ago, the "Son of Sam" terrorized New York City. In a 2017 prison interview, convicted serial killer David Berkowitz tells CBS News what led him to kill. "CBS Evening News" ...

While a good vacuum cleaner can get rid of a lot of the dust and dirt that gets trapped in carpet fibers, there are messes — spilled food, pet accidents, muddy footprints, plus the embedded grit that ...