Show gravelle the blackmailer sentenced to ten years in prison isaac gravelle convicted of sending threatening letters to the northern pacific company was sentenced at helena mont ilont on monday last to ten years in the penitentiary and to pay a fine 0 of this is the maximum in ax penalty ot of the crime gravelle will be tried for burglary next there are four remaining a against him and basis exists tor for twenty fi five ve actions if convicted of 0 burglary the dynamiter may be sentenced for life |