A 22-year-old college student who was shot in the head and back when his in-laws conspired to kill him in 2012 doused himself in gasoline and lit himself alight around noon on Wednesday.

Ramon Fry was outside the Student Services Center on the Treasure Valley Community College campus in Ontario, Oregon, when he started the fire by putting a lighter to his fuel-soaked clothes.

Fry jumped into a fountain and extinguished the flames, but he still suffered severe burns and was taken to the University of Utah Burn Center in Salt Lake City with life-threatening injuries.

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Ramon Fry (seen on Dr Phil in 2013) was at the Student Services Center on the Treasure Valley Community College campus in Ontario, Oregon, when he started the fire by touching a lighter to his gas-soaked clothes

Lester Reger (left) and his wife Erlene (right) are serving prison sentences for conspiracy to commit murder

The college (above) is offering counseling services to the small number of students who witnessed the event

He was listed in critical condition, the Argus Observer reported.

The incident was not believed to be a suicide attempt or attack of any kind, according to KTVB.

The same could not be said in 2012 when Fry's in-laws, Lester Earl Reger and his wife Erlene were convicted of attempting to murder the then-19-year-old with the help of two other men.

The Regers thought Fry was abusing his son, their grandchild, so they lured him into a garage at their home and tricked him into bending down and making himself vulnerable, prosecutors said.

Mr Regen, fired two shots into Fry's head and back, received a ten-year prison sentence for attempted aggravated murder, conspiracy to commit aggravated murder and assault.

His wife was convicted of attempted murder, conspiracy to commit murder and assault and was ordered to serve 90 months.

The two men who were involved, Todd Mulvaine and John Fritz Jr, also received prison time.

During an appearance on Dr Phil in 2013 after the plot was exposed, Fry revealed the garage he was lured into was converted into a 'death chamber' and a hole had been pre-dug for his corpse.

After the incident on Wednesday, Treasure Valley's director of public information said: 'It was a pretty tough day on campus.'