that allegation but abc 2 news has learned the house on michelle way belongs to an avraham komen, he is a known leader of a formerly wisconsin- based reclusive religious organization named s.i.s.t. s.i.s.t. is the target of an f.b.i. probe for creating a hit list of public officials. they cannot say if komen is a target of their investigation today. eight now we have a person of interest that police are questioning in this case but that s part of the ongoing investigation. you can t exactly tell me who that person is? at this time i do not know his name or his identity. reporter: but officers remained on the scene all day gathering evidence. much to the appreciation of neighbors who have spent the better part have the last 10 years concerned about exactly what goes on inside 3726 michelle way. i m so thankful that the police are here and they are finally going to find out what really is going on in that house. reporter: now we re told the f.b.i. may be involve in