"Shake and bake" portable meth labs leave behind dangerous debris.
Potentially explosive bottles have been popping up along the roadways of Portage County, Ohio.
Nine of the bottles have been found in just two days.
"We have no idea where this may go," says Sheriff David Doak.
The bottles are from the makers of methamphetamine.
Experts say the drug can now be made easily in a method that is called "shake and bake".
"It is essentially a lab in a bottle. It is very simple," Doak explains.
The simple process leaves behind a complex cocktail of chemicals in the bottle, a cocktail that, if exposed to the wrong temperature, can explode.
In 2005 a mobile meth lab in Columbus exploded, injuring a dozen people.
Nine of these bottles in two days have left Portage County officials scrambling to diffuse them and investigate who is behind this string.
Teams of five deputies have responded to each site where a bottle has been found, shutting down roads and costing the county thousands of dollars.
You know if you're dealing with a meth bottle if there is a white gelatin-like substance at the bottom of the bottle.
Meth makers can get up to $1,000 for the drug produced from each bottle.
"This stuff is out there," Doak says. "And we don't want anyone getting hurt or killed from them."