Another great white? Mary Lee not alone

Ocearch satellite-tagged Mary Lee off the coast of Chatham, Mass. on Sept. 17. She's appeared in the Charleston area twice since then. Experts say there could be as many as 10 or 11 in the area at any moment.

Ocearch satellite-tagged Mary Lee off the coast of Chatham, Mass. on Sept. 17. She's appeared in the Charleston area twice since then. Experts say there could be as many as 10 or 11 in the area at any moment.