Blood droplets, a white van, a ransom note: where is Savannah Guthrie’s mother?

The astonishing case of the missing Today morning show anchor's mom is six days in so far and without resolution

A missing 84-year-old mother of a famous TV morning show anchor; droplets of blood and a mysterious white van; a ransom note sent to a celebrity news website; no suspects; a city surrounded by desert near the US-Mexico border; frustrated investigators; and a concerned US president.

It is for all these reasons that the astonishing case of the missing Nancy Guthrie has captivated US public attention in a six-day mystery that still has no resolution. It leads the US news and dominates the headlines, fusing crime and celebrity together in ways not seen since OJ Simpson or the Lindbergh baby.