Here’s a sure-fire sign that election season is in full swing: your mailbox, digital and otherwise, is likely overflowing with election attacks, smears and appeals to support or oppose a candidate or ballot measure. Who is sending them? Are they who they claim to be? What is their agenda? Why are they targeting you? Are the images presented in the advertisement manipulated? To help explain who is targeting you and why, the Miami Herald has launched a new tool called the Election Ad Decoder.