In 2011, when Pulgar was a 15-year-old freshman at Lawrence Hall Youth Services, he submitted the winning design for Chicago's 2012-13 city sticker contest.

The window sticker, also known as a Monroney label, verifies the car’s make, model and year, and provides its suggested retail price and a list of equipment.

Social media users speculated that something nefarious was behind apparent changes in the displays of pro-Trump stickers on Cesar Sayoc's confiscated van.