A 47-year-old Helena woman is suspected of drunken driving while illegally possessing a prescription drug and marijuana.

Debrorah Marie Kaufman was arrested Friday and faces charges of felony possession of dangerous drugs (Modafinil), misdemeanor aggravated DUI (third offense), and misdemeanor possession of dangerous drugs (marijuana).

Charging documents allege that deputies responded to the report of a woman, later identified as Kaufman, drinking and about to drive. Deputies allege she displayed signs of impairment and provided a preliminary breath sample showing a blood alcohol concentration of 0.12. The legal limit is 0.08.

When arrested, Kaufman was in possession of Modafinil and marijuana, court documents say.

Reporter Tom Kuglin can be reached at 447-4076 @IR_TomKuglin