A person who is labeled a `` person of interest '' might not seek out an attorney under the mistaken belief he or she is simply a witness , and the vague term can make it easier for police to get a confession , they said . Police began widely using `` person of interest '' after 1996 Olympic Park bombing . Comment: It can deceive the subject of an investigation , expert says .
Police began widely using `` person of interest '' after 1996 Olympic Park bombing . Comment: It can deceive the subject of an investigation , expert says .