Colorado prosecutors on Friday argued additional charges against James Craig, a dentist accused of fatally poisoning his wife, as new details were revealed in court about how he allegedly tried to get a fellow inmate to kill a detective on the case.

James Craig is accused of soliciting the deaths of three witnesses in the case against him in his wife's death.

Prosecutors are set to present evidence in court to back their claim that a Colorado dentist charged with killing his wife also tried to get a fellow inmate to kill a detective investigating him