Character mistake: After Macer shoots the shotgun man during the house raid, she checks his pulse without removing the weapon from his hands first.
Character mistake: When Dotzler is giving one of his first meetings when trying to catch Brian in the police station, the LAPD signs behind him are misspelled "Departement."
Character mistake: During their bickering about the coffee, the idea is that the officers just drank some coffee made from beans coming from excrements of rhesus macaque. That's how the civet coffee is made; macaques merely chew and spit the beans, they do not 'process' them (that'd be the kopi luwak that he references immediately after). (00:27:00)