The suspect in the murder of a Montana dad and avid outdoorsman pleaded not guilty Tuesday after allegedly claiming self-defense in his confession to police.

As shoppers across the country spend hours sweeping through online and in-store Black Friday deals, many Americans aren't familiar with the darker history of the day.

While a recent film brought new attention to the case of serial killer Rodney Alcala, a former detective discussed a pair of earrings that led to the monster's downfall.