Didn't we already learn that K-9 mostly take cues from their handler rather than actually working? https://www.npr.org/2017/11/20/563889510/preventing-police-b

Didn't we already learn that K-9 mostly take cues from their handler rather than actually working? https://www.npr.org/2017/11/20/563889510/preventing-police-bias-when-handling-dogs-that-bite https://www.npr.org/2017/11/20/563889510/preventing-police-b... https://www.animallaw.info/article/cueing-and-probable-cause-research-may-increase-defense-attacks-and-judicial-skepticism https://www.animallaw.info/article/cueing-and-probable-cause...