Acton / Natick Mountain Lion?
Perhaps you should alert your 'Boston Friend' in that area.
I will do just that. I wasn't too alarmed, have actually seen one near State College, I-80, until I read on this thread they attack by stealth from behind.
The "Natick Labs" closed area is about ten square miles North of Sudbury extending into Maynard. It was used for explosives research during WW-II and the soil is considered too contaiminated for development. It's closed off from the public for recreation. A monkey escaped from the Harvard Research Center in Southborough and was running around in there for a while - story got a lot of play in here in Freeperland. The area where the cat was sighted is about five miles North of that area, it abuts about a square mile of conservation land just east of my house. (Where I live is very wooded outside of our development.) I won't be walking through the woods to Idlewilde Farm any time soon.