It looks like the court found that the police were not civilly liable here which, given the facts, may well have been a prudent decision. Of course, these scenarios are hard to debate online because several mitigating factors can change who was more at fault.
For the most part, though I don't claim to be overly familiar with the specific rituals of all sects or schools of Islam, followers abstain from consumption of swine flesh. Generally speaking, contact with swine or pig skin is not taboo or sacrilegious per se, although it is common practice that a Muslim cleanse any parts of his or her body that came in contact with a pig before they resume partaking in any ceremonial religious observances. It's based on a sacred tenet of the religious text, even though the pig's head, as an object in and of itself, does not have religious significance.