Man walked up to a stranger in a supermarket and sliced his throat then continued shopping.

35 year old Andrew Goodenough has been charged with second degree murder after cops says he walked up to a stranger in a supermarket and slit his throat with a box cutter.

Andrew quietly walked up behind the man who is also 35, took the box cutter from his pocket and sliced the man's neck, before walking away without saying a word. He then continued his shopping at a Shop rite market in New Windsor, upstate New York, at around 9.40 am.

After the stabbing his victim, Police officers locked down the store with around 250 people inside it, before identifying Andrew Goodenough about 45 minutes later who has already blended in with other people in the super market.

Andrew Goodenough has been arrested and booked into jail, he now faces a second degree murder charge. Andrew's Friends describe him as a man who is unstable and always smoking marijuana.