More than 4,000 calls came into an Arizona sheriff's department within 24 hours after the release of videos of a masked ...

Investigators released surveillance footage Tuesday of a masked individual seen on Nancy Guthrie’s porch the night she vanished.

Nancy Guthrie was last seen at her Tucson home on Jan. 31 and was reported missing the following day. Authorities say her ...

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"I'm still in shock." Homeowner stunned after home security camera captures 'scary' scene on front porch: 'It's a mystery' ...

Wesley and his family were away camping when he got an alert showing him someone sniffing around the package on their porch.

These developments have many wondering what a smart security camera or doorbell does, who has access to the video they take — and what homeowners can do to secure their own data.