Police officers and detectives around the USA are forced to face dark secrets about themselves and the people around them while investigating homicides.
S1E8: Yes, around 25:00 when Marty goes to the door, there is verbal abuse and threatened physical abuse towards a dog, the dog then runs out of the house and is seen dead shortly after.
S1E8: 03:45, A pan is thrown at a dog. Less than ten second scene.
Again, around 25:00 when Marty goes to the door, there is verbal abuse and threatened physical abuse towards a dog, the dog then runs out of the house and is seen dead shortly after.
There's tons of cop content but I wouldn't say any of it portrays them as a particularly competent or ethical bunch. [SPOILERS] Both main characters quit being cops by the end of the first season.
About halfway through S1E1 in the car, religion is discussed. It is then discussed later in the same episode briefly in reference to something being "anti-Christian".