Which type of technological advancement would best assist police officials who wish to deliver a cell phone to a hostage taker who does not want to directly confront the police?

Question

Quizplus · Accepted Answer

A robotic device could be used to safely deliver the cell phone to the hostage taker without putting police officers in direct danger. The robot could be equipped with cameras and speakers to allow for communication between the hostage taker and police officials. Biometrics, GPS, and ballistics would not be applicable to this scenario.

Which Type of Technological Advancement Would Best Assist Police Officials