one of them was named bill pruin, and the other was john vansice.ically bar hopping friday night. >> john vansice, jodi huisentruit, and billy pruin were very familiar faces at the other place. >> naturally, if jodi had been socializing or spending time with either of these two men just before she went missing, they might be part of the investigation, so it's important to understand more about each of them. >> john vansice is a seed corn salesman from newton, iowa, and he had just recently moved to mason city and lived for, like, a month in the same apartment building that jodi was in. and then he left that. >> billy pruin was a farmer, and jodi and billy knew each other. and billy would see jodi out. they were cordial. they would talk when they saw each other. >> bill pruin lived in the mason city area, and he would have been in his early 40s. he had two daughters. i believe they were ages 12 and 10 at the time. and he was divorced and he was living on a farm. >> both john vansice and bill pruin's names come up time and time again in jodi's case, e