In one implementation, a computer-implemented method includes determining a location of a mobile computing device using one or more of a plurality of data sources; communicating, by the mobile computing device, with another computing device as part of a two-way video chat session over a first network connection, the communicating including transmitting the location of the mobile computing device; displaying, as part of the two-way video chat session, real-time video from the other computing device; recording video using one or more cameras that are accessible to the mobile computing device; and transmitting, over a second network connection, the video to a remote storage system for persistent storage.