¡Pinche policia!
If you think it’s just Mexican coppers who make shit up, think again.
Via “Crooks and Liars“:
Although it’s admirable that Dallas Police Chief David Kunkle has admitted that issuing the ticket was an error that needs to be corrected, it’s not a “rookie mistake”, when at least 38 tickets have been issued for the same non-existent offense in the past three years.
The United States is the third largest Spanish speaking country in the world (after Mexico and Colombia) and Spanish has been spoken in Texas since at least 1598, when Don Juan de Oñate showed up on a mission from Dios (to slaughter the non-Spanish speaking locals), if you don’t count any private conversations Álvar Núñez Cabeza de Vaca and Estaban the Slave might have had during their sojourn on Galveston Island in the 1530s.
mexfiles.net 
A “sincere” mistake?
(scratches head)
Well, I guess, considering that xenophobia can be sincerely felt, it must be one, then!