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Live scan fingerprinting refers to both the technique and the technology used by law enforcement agencies and private facilities to capture fingerprints and palm prints electronically, without the need for the more traditional method of ink and paper.
To match a print, a fingerprint technician scans in the print in question, and computer algorithms are utilized to mark all minutia points, cores, and deltas detected on the print. In some systems, the technician is allowed to perform a review of the points that the software has detected, and submits the feature set to a one-to-many (1:N) search.
A fingerprint sensor is an electronic device used to capture a digital image of the fingerprint pattern. The captured image is called a live scan. This live scan is digitally processed to create a biometric template (a collection of extracted features) which is stored and used for matching.
There are four types of fingerprint scanners: [7] optical scanners, capacitance scanners, ultrasonic scanners, and thermal scanners. The basic function of every type of scanner is to obtain an image of a person's fingerprint and find a match for it in its database. The measure of the fingerprint image quality is in dots per inch (DPI). [8]
The Miami-Dade Sheriff’s Office (MDSO), formerly known as the Dade County Sheriff's Office (1836–1957), Dade County Public Safety Department (1957–1981), Metro-Dade Police Department (1981–1997), and Miami-Dade Police Department (1997–2025), is a law enforcement agency serving Miami-Dade County, Florida.
Depending on the organization and structure of emergency service agencies in the jurisdiction where a 911 call is made, the call may be answered at a public safety answering point that is located in a local police, county sheriff/police, state police/highway patrol, fire department, or emergency medical service agency dispatching facility ...
The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [ 1 ] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow brevity and standardization of message traffic.
After test firing the guns, Goddard proved that the weapons were those used to kill the members of the North Side Gang, absolving the Chicago police department of all involvement. [12] The successful use of Goddard's technique resulted in the solidification of his place as the father of forensic firearm examination.