Arrive in twos and threes. Handling a domestic is not a solo activity. Unless there are exigent circumstances in which the safety of someone inside is at risk, wait for backup before knocking on the front door.
Independence Day
Independence Day offers some unique challenges. Combining hot weather, large crowds, consumption of copious amounts of alcohol, and people playing with fireworks—both legal and illegal—and you have a recipe for a variety of bad things to happen.
Make sure that you're adequately staffed for DUI check points and traffic enforcement. Speaking of equipment, check to make sure the fire extinguisher in your trunk is properly charged so you can respond to those fires inevitably set by recreational fireworks. Also, you need to have the necessary tools and training to deal with injuries to hands and fingers. And bear in mind that fireworks can be used as improvised weapons.
Finally, Independence Day gatherings present a heightened need for vigilance against a terrorist attack—either foreign or domestic. It's a sad reality that these events make the bad guys salivate.