The Large Emergency Event Digital Information Repository (LEEDIR) is a mobile app and web application that allows photo sharing and video sharing and enables citizens to submit pictures and videos directly to law enforcement and relief agencies during major occurrences including natural disasters, terrorist, and criminal events. Police are embracing apps to crowdsource investigations. LEEDIR's free platform that can be activated by law enforcement and/or relief agencies during a major emergency event in the US and is available to receive uploads from citizens immediately after activation. The LEEDIR application platform is supported by providers CitizenGlobal and Amazon Web Services.
The Boston Marathon bombings showcased the value of additional civilian information for help in solving crimes. Following the event, the LEEDIR application was created by a team of developers at CitizenGlobal and launched in April 2014 by the Los Angeles Sheriff's Department. The platform is provided by CitizenGlobal, free of charge, to law enforcement and relief agencies for use during large emergency events. The events are generally defined as terrorist attacks, major criminal events and large-scale natural disasters. The LEEDIR platform provides upload interfaces for eyewitnesses and an analysis and management system for law enforcement and relief agencies. LEEDIR is supported by a highly scalable, secure cloud infrastructure provided by Amazon Web Services.