Global Positioning System Reference
In-Depth Information
in the United States, more than 4.88 million, is under criminal justice supervi-
some type of court-ordered electronic monitor grew fivefold, to one hundred
thousand, between 1999 and 2006 and by the end of the decade reached an
among early players in electronic offender monitoring, attracting multinational
public corporations to the business. Colorado-based bi (founded in 1978 as
Behavior Interventions), with about a third of the U.S. market, tracks more
than sixty thousand offenders through contracts with about nine hundred fed-
global provider of correctional, detention, and treatment services to all levels
and Florida governor Bob Martinez cofounded Pro Tech Monitoring in Tampa
itoring subsidiary Elmo-Tech, bought Pro Tech Monitoring in 2007 for $12.5
fied worldwide conglomerate with $29.6 billion in sales, acquired Attenti in
nies posted combined sales exceeding $61 million. bi posted sales of $26.8
SecureAlert, a Utah company founded in 2006, recorded $17.96 million in
Privacy versus Secrecy
As tracking proved useful for those already in the justice system, police stepped
up gps use in criminal investigations. Vehicles impounded after an arrest often
have a navigation system from which forensic investigators can tease a stored
could attach magnetic trackers to vehicles without alerting a suspect or seek-
ing a judge's permission, and the technology gave police forces, particularly
smaller ones with fewer resources, an affordable tool to track suspects, gener-
ate evidence, and close cases. For example, police in Fairfax County and Alex-
andria, Virginia, halted a series of a dozen assaults on women in 2008 after
placing a gps tracker on a van belonging to a suspect living near the crime
scenes—a convicted rapist who had served seventeen years in prison. They
later caught him dragging a woman from the van into some woods and made
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