Whenever we have technical issues, we often find that they happen at the exact moment when we need our tech the most.
Windows seems to love updating right before you're about to give an important presentation, Skype will probably glitch out right in the middle of a job interview, and the programs that worked just fine when you tested them are suddenly riddled with errors when you actually use them.
And while it may not necessarily be comforting to learn that it's just as possible for the police to experience this same phenomenon during their tensest moments, it definitely makes the likely frustration a lot easier to understand.