natasha ghoneim is live with more on the situation. >> reporter: hi, john henry. has been talk in recent days, three in a row, that have been relatively calm about what it is taking to keep the calm? police think for sure their move in recent days to work more closely with protesters has been very effective. about 1 -- 100 people protested thursday evening. it was the third night of relative calm in ferguson, as tensions seemed to be easing. the captain showed off gifts for children. >> when we can see a table with a coloring book, a box of crayons, and a sock puppet, instead of weapons and molotov cocktails, this is what defines a community. this is truly the community of ferguson. >> reporter: the national guard is pulling out today. the governor sent them in monday after violent confrontations erupted into chaos. it started almost two weeks ago when 18-year-old michael brown an unarmed african american was shot by police officer darren wilson, who is white. >> we will continue to operate under a state of emergency. we have a number of actions that are going to

natasha ghoneim. >>> dr.udy worked in the new york city's medical office in 2003, and is the author of "working stiff." i'm wondering, whether you take any issue with the findings that the doctor announced today? >> i do. the first thing that concerns me is this idea that a second autopsy is independent and the first is not independent in some way. the st. louis county medical examiner's office is an independent office. it's part of the department of health. it's not part of the police department. so the idea that somehow a second autopsy is more independent than the first one is not really correct. the second issue has to do with the interpretation of the trajectories. because you can't interpret them in a vacuum. even the doctor himself said we don't have the clothing, we can't interpret this without getting the additional information. >> what would be critical information that the doctor was lacking as he prepared his independent report? >> one thing would be where the bullets ended up. there were bullets

natasha ghoneim has the story. >> reporter: this is the head-ache-inducing sound of a project just beforeompletion. machines cutting grooves into asphalt. we're 120 feet below the bay in the new port of miami tunnel. they consider this almost mile-long tube vital to the future to get people and cargo on board faster. with this tunnel, drivers won't be stuck in paralyzing traffic, forced to navigate congested downtown treats. despite the billion dollars price tag people won't be paying tolls largely because it is funded through a private public partnership. in this case, a private company built the tunnel, and over the next 30 years, miami dade county will pay the county a total of $300 million. >> the payments are set in time so that a lot of times when the government builds something, the -- for some reason the operating and maintenance costs start to escalate and escalate and escalate. in this case we know our costs out for 30 years. >> the county is considering the same type of arrangement to fund water and sewage treatment projects. noun in the tunnel, builders say they are ready for