The search for clues in the Tim Bosma disappearance case appears to have extended into Waterloo Region.  

The Ancaster man disappeared last Monday after taking two men on a test drive of his pickup truck.

Late Saturday police tape was put up around Millard Air Hangar 53 at the Region of Waterloo International Airport in Breslau.

A police cruiser sits outside the hangar belonging to the Millard Family.

There’s been no confirmation from police as to what they are doing.

But earlier Saturday, Hamilton police Supt. Dan Kinsella announced that they had arrested 27-year-old Dellen Millard of Toronto and charged him with forcible confinement and theft over $5,000.

Millard's family reportedly founded Millard Air, a charter airline that has operations in Waterloo Region.

When he was 14 years old, Dellen Millard became the youngest person in the world to fly a helicopter solo.

At a news conference, Kinsella said the male suspect was arrested without incident while driving in Mississauga, west of Toronto.

Kinsella says the man in custody has the word "Ambition" tattooed inside a box on his wrist -- matching the description of a "unique" tattoo spotted on one of the suspects.

Friends and family continue to hand out posters and flyers in Brantford, where Bosma’s cell phone was found Thursday.

“Information is being obtained, search warrants are being prepared and evidence is being gathered.” Kinsella informed the media Saturday.  He also added, “We are encouraged with the progress of the investigation and must be cautious in our approach over the next few critical hours.”

Meanwhile the hunt for Bosma, his Dodge Ram pickup, and a second male suspect, continues.

Police in Hamilton, Toronto, and Waterloo say they're following up more than 300 tips from the public.

They are encouraging anyone with information to call the tip line at 905-546-2100.