The Police Have Heard Vague Rumors of Unknown Reliability That

True/False

The police have heard vague rumors of unknown reliability that Smith is growing marijuana in a field on his farm.The field is not visible from Smith's house or from any public road.To reach the field,the police climb over a fence with "No Trespassing" signs on it.They find marijuana growing in a field on Smith's farm.They had no search warrant.This search is constitutional under the open fields doctrine.