dragnet

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dragnet

any system of coordinated efforts by police forces to track down wanted persons.
References in periodicals archive ?
The output of the Aerial Dragnet system would be a continually updated common operational picture (COP) of the airspace at altitudes below where current aircraft surveillance systems can monitor, disseminated electronically to authorized users via secure data links.
Head of the fishermen's association, Christodoulos Charalambous, said the government's decision to allow dragnets could be catastrophic for the industry.
He said the president had given him assurances that any illegalities noticed in the use of dragnets would result in licences being revoked.
He said he believes the profession stands no chance of survival if dragnets are brought in and 500 families will be adversely affected by the government's decision.
I hope the EU hears our calls as only over our dead bodies will we allow them to use dragnets," Charalambous said.
The analytical extremism of courts and commentators is understandable, since dragnets are important components of modern-day law enforcement at the same time that they pose serious threats to liberty and social stability.
They do so primarily through the prism of Supreme Court and lower-court cases, but these sections also look at law-enforcement efforts that have yet to lead to litigation and imagine future dragnet efforts as well, with a special emphasis on the role technology can play in motivating dragnets and carrying them out.
Dragnet cases are considered here under three categories: (11) those decided by the Supreme Court during Chief Justice Warren's tenure, those decided by the Supreme Court and by lower courts during the post-Warren era, and recent or proposed manifestations of dragnets that have yet to lead to significant litigation.
Camara authorized and Davis contemplated dragnets, but only if they (1) are subject to judicial authorization when nonconsensual, (2) are effective means of averting a significant danger or solving a crime that cannot be averted or solved through development of individualized suspicion, and (3) do not involve the types of intrusions associated with physical searches for evidence of crime or interrogations.
However, these American dragnets have been generally unsuccessful in identifying the perpetrator and unpopular due to concerns about constitutional violations.
Proponents of properly conducted DNA dragnets make comparisons to drunk driving roadblocks and the widespread fingerprinting of all people present at or near a crime scene; they claim that when samples are freely provided, there is no Fourth Amendment violation.
18) Ironically, suspect databanks created through dragnets may provide less protection for those who voluntarily provide genetic material than for those who are actually indicted but then acquitted, since in many states the law requires the destruction of DNA evidence once a person is exonerated but leaves dragnet databases completely unregulated.