There are severe crimes reported weekly this year - you can simply just check the news for that along with regular assaults and hundreds of harassment cases. I am not sure I would quantify the rate as "extremely uncommon".
This got me double checking myself, but it does seem that a typical "common versus rare" threshold is a rate of 5%, though other values like 1% and 10% are sometimes used. Based on this, I'll concede that it might be common for an incident to make the daily news (if there's one a week, so 1/7 chance) but I stand by my claim that trips with such incidents are extremely uncommon relative to all trips.
There's 8 million+ people in NYC. So even if there are 8 severe crimes in a period of time that is still a one in a million chance. Seems extremely uncommon to me. Though I do agree, the uptick in crime is not great.
