Shark sightings increasing, but are there more sharks? 5 Investigates

Shark sightings increasing, but are there more sharks? 5 Investigates

It is not an understatement to say it has been a very busy summer for shark sightings and beach closings on Cape Cod, but what do all the alerts really mean? Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us:   / wcvb5   Follow us:   / wcvb   Instagram:   / wcvb5