So, Why Weren't They Charged With A Hate crime?

From ABC News: A lesbian couple who claimed they were victims of a hate crime have been arrested after police determined they staged the incidents.
On Oct. 28, Aimee Whitchurch, 37, and Christel Conklin, 29, called police and reported the words “Kill the Gay” were scrawled in red spray paint on the garage door of their Parker, Colo., home.
The next day, the couple told deputies they found a noose hanging on the handle of their front door.
The women told officers they believed the incidents were retaliation from their neighbors and homeowner’s association, who had complained the couple did not pick up after their dogs.
Due to the nature of the crimes, the Douglas County Sheriff’s Office worked in tandem with the FBI to investigate. After reviewing witness statements, authorities determined Whitchurch and Conklin had staged the incidents.
Both women are charged with criminal mischief and false reporting. Whitchurch faces an additional charge of forgery
http://abcnews.go.com/blogs/headlines/2012/05/lesbian-couple-charged-with-staging-hate-crime/
So this lesbian accuse a neighbor of a hate crime and it turned out to be a complete lie, why weren't charged with a hate crime.  They singled out the person(s) because of the victim's sexuality and accused them of of a hate crime.  If the true victim(s) were gay, the lesbian couple would not have accused them of a hate crime.
So, why weren't the lesbian couple charged with a hate crime?

h/t Boots and Sabers:  
http://bootsandsabers.com/