Package bombs left on porches in Texas have killed two people and wounded two more.
A gunshot-detection system hailed by the Pittsburgh police is poised to cover nearly a third of the city this year.
Connected devices at home can record the voices, movements, weight and eating habits of those who live there. They are, in effect, very sophisticated sensors installed in the home environment. As such, they can be utilized by all sorts of people with various motivations and intentions of harming us.