Larimer County Sheriff Jim Alderden said Sunday they have evidence that the runaway balloon incident was a hoax and a publicity stunt that was done in order to get the family a reality show.

The boy's father, Richard Heene, met with sheriff's officials earlier in the day in the midst of lingering questions about whether he had planned a hoax.

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Richard Heene (2nd L), his wife Mayumi, sons six-year-old Falcon Heene, Bradford (C) and Ryan (R) talk to reporters in Fort Collins, Colorado October 15, 2009. (REUTERS/Rick Wilkin)

Sheriff Alderden says they plan on filing charges against Richard Heene and his wife, Mayumi Heene soon. The charge they face is of contributing to the delinquency of a minor, according to the Associated Press.

The other potential charges could be conspiracy, false reporting and attempt to influence an officer.

The most significant charges they face could result in a 2-5 year sentence.

Richard Heene has insisted that the drama that unfolded Thursday wasn't a publicity stunt.

Heene and his wife reported that their 6-year-old son, Falcon, had been inside the flying-saucer-shaped balloon when it launched from their back yard.

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A small homemade helium balloon resembling a flying saucer and believed to be containing a 6-year-old boy is pictured floating thousands of feet above Colorado, October 15, 2009. (REUTERS/KUSA TV/Handout)