Cambridge gunman was shooting passing cars at random, witnesses say

There is a massive police response on Memorial Drive in Cambridge Monday afternoon after witnesses say a man with a long gun opened fire on passing cars.

There is a massive police response on Memorial Drive in Cambridge Monday afternoon after witnesses say a man with a long gun opened fire on passing cars.

There is a massive police response on Memorial Drive in Cambridge Monday afternoon after witnesses say a man with a long gun opened fire on passing cars.