"This is far from the first politics-related incident Oshkosh officers have responded to since the signature drive to recall Walker kicked off in mid-November."Nichols said officers have responded to 39 incidents related to recall petitions, damaged political signs and stolen signs since Jan. 1, 2011, and 29 of those have been since November when the recall drive began."A signature collector caught one incident on video in which a man threatened that the signature gatherer would be killed if he continued to gather signatures ..."Nichols said OPD expects similar incidents will continue to come up and asked people on both ends of the political spectrum to show some respect."