A system for identifying radio transmissions associated with autonomous or remote-controlled vehicles, comprising: - one or more sensor antennas that are physically distributed around an area under surveillance; - one or more sensors configured to couple radio frequency signals from the one or more sensor antennas and generate data samples representing at least a portion of the radio frequency signals; - one or more operator interfaces; and - a signal analysis engine comprising one or more processing units, and one or more processing modules configuring the one or more processing units to: - receive the data samples from the one or more sensors, - identify a radio fingerprint within the data samples, wherein the radio fingerprint comprises at least one radio signal characteristic and at least one radio hardware identifier, - determine a stored radio fingerprint that matches the received radio fingerprint, wherein the stored radio fingerprint is stored in a radio frequency signature database that includes fingerprints and signatures for the various emissions known to be associated with autonomous or remote-controlled vehicles, compute a motion characteristic associated with the received radio fingerprint, identify the received radio fingerprint as associated with an autonomous or remote controlled vehicle based upon one or both of the stored radio fingerprint and the motion characteristic, and - present, via the one or more operator interfaces, information regarding the identified autonomous or remote-controlled vehicle, wherein the information regarding the identified autonomous or remote-controlled vehicle comprises an indication of an estimated location of a source of radio communication with the autonomous or remote-controlled vehicle, wherein the source is a command and control source that is identified by its radio frequency signature and geolocation techniques. - one or more sensor antennas that are physically distributed around an area under surveillance; - one or more sensors configured to couple radio frequency signals from the one or more sensor antennas and generate data samples representing at least a portion of the radio frequency signals; - one or more operator interfaces; and - a signal analysis engine comprising one or more processing units, and one or more processing modules configuring the one or more processing units to: - receive the data samples from the one or more sensors, - identify a radio fingerprint within the data samples, wherein the radio fingerprint comprises at least one radio signal characteristic and at least one radio hardware identifier, - determine a stored radio fingerprint that matches the received radio fingerprint, wherein the stored radio fingerprint is stored in a radio frequency signature database that includes fingerprints and signatures for the various emissions known to be associated with autonomous or remote-controlled vehicles, compute a motion characteristic associated with the received radio fingerprint, identify the received radio fingerprint as associated with an autonomous or remote controlled vehicle based upon one or both of the stored radio fingerprint and the motion characteristic, and - present, via the one or more operator interfaces, information regarding the identified autonomous or remote-controlled vehicle, wherein the information regarding the identified autonomous or remote-controlled vehicle comprises an indication of an estimated location of a source of radio communication with the autonomous or remote-controlled vehicle, wherein the source is a command and control source that is identified by its radio frequency signature and geolocation techniques. - receive the data samples from the one or more sensors, - identify a radio fingerprint within the data samples, wherein the radio fingerprint comprises at least one radio signal characteristic and at least one radio hardware identifier, - determine a stored radio fingerprint that matches the received radio fingerprint, wherein the stored radio fingerprint is stored in a radio frequency signature database that includes fingerprints and signatures for the various emissions known to be associated with autonomous or remote-controlled vehicles, compute a motion characteristic associated with the received radio fingerprint, identify the received radio fingerprint as associated with an autonomous or remote controlled vehicle based upon one or both of the stored radio fingerprint and the motion characteristic, and - present, via the one or more operator interfaces, information regarding the identified autonomous or remote-controlled vehicle, wherein the information regarding the identified autonomous or remote-controlled vehicle comprises an indication of an estimated location of a source of radio communication with the autonomous or remote-controlled vehicle, wherein the source is a command and control source that is identified by its radio frequency signature and geolocation techniques.