David Kwiatkowski , a hospital worker accused of causing a multi-state outbreak of hepatitis C last year , will plead guilty to all 14 charges in exchange for a prison term of 30 to 40 years . Kwiatkowski agreed to plead guilty to seven counts of tampering with a consumer product and seven counts of obtaining controlled substances by fraud , according to a plea agreement filed Monday . The outbreak sickened 30 people with hepatitis C , a sometimes-fatal virus that attacks the liver . How did this happen ? Ten months after he was diagnosed with hepatitis C , Kwiatkowski began working at New Hampshire 's Exeter Hospital in April 2011 . Investigators said Kwiatkowski stole syringes of the painkiller fentanyl from patients who were scheduled for surgery . `` Kwiatkowski used the stolen syringes to inject himself , causing them to become tainted with his infected blood , before filling them with saline and then replacing them for use in the medical procedure , '' the U.S. attorney 's office in Concord , New Hampshire , said in a statement . `` Consequently , instead of receiving the prescribed dose of fentanyl , patients instead received saline tainted by Kwiatkowski 's infected blood . '' According to the plea agreement , Kwiatkowski told an investigator , `` I 'm going to kill a lot of people out of this . '' Group : We had no evidence to punish man accused in case . Offenses across the country . Before moving to New Hampshire , Kwiatkowski worked as a traveling medical technician for hospitals in Arizona , Georgia , Kansas , Maryland , Michigan , New York and Pennsylvania , officials in those states said . `` The defendant admitted that he diverted drugs in a similar way at Houston Medical Center in Georgia and Hays Medical Center in Kansas , '' the plea agreement states . `` He estimated that he swapped syringes at least 20 times in Kansas and approximately 30 times in Georgia . But if a New Hampshire court accepts Kwiatkowski 's plea deal , he can avoid federal criminal charges in Kansas , Maryland and Georgia , the plea agreement states . Controversy surrounds health care contract workers . Fired in Arizona . Kwiatkowski was fired from an Arizona hospital in 2010 after a fellow employee found him passed out in the men 's room with a syringe floating in the toilet , according to documents obtained by CNN . A spokeswoman for the Arizona Heart Hospital said Kwiatkowski was immediately fired , and he relinquished his license as a radiologic technologist . The agency that placed Kwiatkowski in the Arizona job had reported the incident to the American Registry of Radiologic Technologists , according to a spokeswoman for the agency , Springboard , Inc . But a few weeks later , he was working at Temple University Hospital in Pennsylvania , and then went on to work in Kansas and Georgia before moving to New Hampshire . Did national registry know Kwiatkowski was fired ?
Prosecutor : Kwiatkowski , who has the virus , stole bottles of painkillers from patients . He then injected himself , filled the syringes with saline and replaced them . He is implicated in the incident that injected 30 people with vitamin C. Court documents : Kwiatkowski admitted to swapping syringes in Georgia and Kansas .