Wisconsin case could prove key to McCann Murder Investigation

The ongoing murder investigation targeting the parents of Madeleine McCann may turn on the reliability of sniffer dog evidence. In the United States, such evidence is valid as a basis for probable cause in some cases and certainly for reasonable suspicion under the Terry standard. However, as admissible evidence, courts have balked. A Wisconsin case that turned on such dog evidence was thrown out in Wisconsin and McCann lawyers are seeking information from the Zapata murder case. Sinffer dogs have a documented error rate of as much as 78 percent in some cases. For the full story, click here