Uniformed officers will be conducting door knocks in an attempt to locate two girls who possibly saw Ian Collett on Sunday.
Uniformed Officers will be conducting door knocks in the Darling Downs area today in an attempt to locate two girls who may have seen Mr Collett while riding horses on Rain Lover Court on Sunday morning.
Police have now established a secondary command post at Rain Lover Court in Darling Downs in the search for the 65-year-old.
Officers will also be searching for Mr Collett in the urban areas bordered by Thomas Road, South Western Highway, Eleventh Road, Rowley Road and Hopkinson Road, all in Darling Downs.
The search will continue into its seventh day with SES, Police mounted section, all terrain vehicles and Police personnel to take part.