Technical data analysis services; computer modelling services in relation to event data taken from vehicles; motor accident or collision data retrieval and analysis; event data retrieval from vehicles; event data retrieval from motor vehicles including motorcycles, cars, trucks and lorries; imaging and analysis of vehicle event data including determination of pre-incident vehicle speed, impact order, rollover sensors, engine speed, percentage throttle applied, brake status (on or off), seat belt (on or off), airbag control data including state of airbag warning lamp, occupant details, time from impact to airbag operation, number of ignition cycles at time of impact, number of ignition cycles at time of investigation, time between crash events, Delta-V (change in velocity) experienced, steering input in degrees, anti-lock brake activation (on or off), transmission status, diagnostic fault codes present at start of event, stability control, engaged or non-engaged, Vehicle Identification Number (VIN) as programmed or learned by the module, and vehicle configuration data; retrieval and analysis of event data in relation to fraudulent insurance claims, liability considerations, witness statements, validation of physical evidence and police investigations; injury potential analysis of event data; and advisory, consultancy and reporting services on any of the foregoing