India, Aug. 4 -- Austin Robert Drummond remains at large even as authorities continue to search for the man suspected of a quadruple murder in Tiptonville, Tennessee.

The reward for any information that helps authorities find and capture Drummond has now been increased.

The total reward for information on Drummond's whereabouts has been increased to $17,500. Of this, the U.S. Marshals Service are contributing $10,000. The $7500 comes from the Tennessee Bureau of Investigation (TBI).

Drummond was reportedly sighted in Caruthersville, Missouri yesterday.

The police department issued a statement saying "The Caruthersville Police Department and local law enforcement agencies are currently investigating and following up on potential sighti...