TY - JOUR PY - 2003// TI - Technologies to detect concealed weapons: Fourth Amendment limits on a new public health and law enforcement tool JO - Journal of law, medicine and ethics A1 - Vernick, Jon S. A1 - Pierce, Matthew W. A1 - Webster, Daniel W. A1 - Johnson, Steven B. A1 - Frattaroli, Shannon SP - 567 EP - 579 VL - 31 IS - 4 N2 - Illegal gun carrying, usually concealed, in public places is an important risk factor for violent crime.In the 1980s and 1990s police departments in the United States began to develop and implement strategies to address illegal gun carrying. Often these strategies involved aggressive efforts to identify and physically search individuals to physically search individuals suspected of illegally carrying weapons ... LA - en SN - 1073-1105 UR - http://dx.doi.org/ ID - ref1 ER -