A system for analyzing data received from at least one mobile electronic device comprises a mobile electronic device and a server. The mobile electronic device includes a sensor configured to collect video, audio and/or imagery data, and the mobile electronic device is configured to initiate collection of data based on a command from a user of the mobile electronic device. The server includes a receiver configured to receive the video, audio and/or imagery data collected by the sensor of the mobile electronic device and a processing system. The processing system of the server includes a processor and is configured to, when a condition is met in accordance with a rule established on the server, issue a command to turn on the sensor of the mobile electronic device and enable the mobile electronic device to transmit the video, audio and/or imagery data collected by the sensor to the server, without any input by the user of the mobile electronic device. In addition, the video, audio and/or imagery data are collected by the sensor at a location of the mobile electronic device.