and with the evidence that we have found musket balls and a button that dates to the same time period. we have investigations and investigations and interpretations. to figure out who is standing there, who are they firing at and where very importantly were they being fired at from. >> and i'm sure you would welcome visitors to come to minute man national historical park and check out what you're learning. >> absolutely. we have a lot of great information and interpretive tours through the site. >> dr. meg waters, thank you very much for joining us. looks fascinatinfascinating. >> thank you very much. >> very cool story. we didn't know about that either. >> i didn't. >> we all learn something new. another potential school shooting disrupted as police arrest four teenagers. the details what they had planned next. diabetes, steady is exciting.