A Bloomfield woman has been charged with violating her probation and attempting to mislead police after admitting to using heroin.On June 30th, deputies in Ontario County arrested Jennifer Lynn Pool, 22, of Bloomfield after a bench warrant was issued by Judge Aronson for her arrest. Pool admitted to recently using cocaine and heroin to her probation officer. She was asked to submit to a urine test and gave a false urine sample. Pool’s probation officer then obtained a bench warrant and was subsequently arrested. She is currently awaiting arraignment at the Ontario County Jail.