Many people have complained about the sticker - which reads in full, "F-k Trump and f-k you for voting for him", according to Fort Bend County Sheriff Troy Nehls.
They say everything's bigger in Texas, and that apparently includes truck decals. And when you're a star they let you do it.
"If you know who owns this truck or it is yours, I would like to discuss it with you", the sheriff wrote.
Nehls was seeking the owner of the truck, hoping to work out an agreement to modify the display in lieu of disorderly conduct charges.
Nehls' post received 1,164 replies within four minutes - some saying the driver is only using his Constitutional right of freedom of speech, and some saying the message is offensive.
Fonseca told the Houston Chronicle that they had the sign made after Trump was sworn into office.
"It's not to cause hate or anonymity", she told the paper.
So far, he hasn't received almost as much help finding the owner as he has comments about free speech, the First Amendment, negative decals from the past that had no legal consequences, drinking the Kool-Aid, and suggestions on what law enforcement could be working on instead. "They want to shake your hand". KPRC 2 spoke with a legal analyst who cited the 1971 Supreme Court case Cohen v. California, which overturned a man's conviction who had been charged with disturbing the peace for wearing a jacket that proclaimed the message "f*ck the draft" in a public courthouse. "We have not written any citations, but I think now it would be a good time to have meaningful dialogue with that person and express the concerns out there regarding the language on the truck". Nehls did not name the driver at his news conference.
"I'm glad to see our government officials are concentrating on what's important", one comment said. "With people's ... mindset today, that's the last thing we need, a breach of the peace".
Nehls posted a photo of the truck of the truck on his Facebook page Wednesday. The Root Everything is bigger is Texas, even bumper stickers. Wice said. "The fact that it offends people doesn't mean that anybody, particularly law enforcement, has the right to act as a censor to second guess their taste, their views, their beliefs".
"It would be unsafe to our freedoms if you start going that route where a sheriff has the right to start censoring people about what might be offensive", said Philip Hilder, a Houston criminal defense attorney and former federal prosecutor.