Retired Detective Says Nancy Guthrie Investigators Putting ‘Way Too Much Emphasis’ on DNA Evidence, Suggests Returning to Traditional Methods

Retired detective says Nancy Guthrie investigators putting ‘way too much emphasis’ on DNA evidence, suggests returning to traditional methods

Retired homicide detective Chris McDonough has questioned how investigators are handling the Nancy Guthrie case.

Nancy Guthrie Case: Hair Found in Home Yields No Suspect as Labs Race to Untangle DNA Mixed From Four People

More than nine months after Nancy Guthrie disappeared from her Arizona home, multiple laboratories are analysing a complex DNA mixture, while investigators say the case remains active.