Serial killers often elude capture for years due to publicity of their crimes , says James Scott Fox . He says they are hard to identify because they lack obvious ties to the victims . Fox says in many cases there is no crime scene available for identification . The opinions expressed in this commentary are solely those of James Alan Fox . Administrative errors by law -- and police -- play a key part , he says .
Serial killers often elude capture for years due to publicity of their crimes , says James Scott Fox . He says they are hard to identify because they lack obvious ties to the victims . Fox says in many cases there is no crime scene available for identification . Administrative errors by law -- and police -- play a key part , he says .