New Scientist is carrying this article detailing the creation of a new sort of "robot hunter":

A team of autonomous flying and ground-based robots have successfully cooperated to search for and locate targets in the streets of an urban warfare training ground in the US. The system could help in search and rescue efforts and military operations – and even has the potential to include humans in the team.

Well, that should make it easier to find Hajji. Now if they'd just invent something to help me find my keys!