CNN EarlyStart March 29, 2013 10:01:00
And i've seen a lot of bad stuff over the years. >> reporter: those health officials say that as many as 7,000 patients in the last six years might have been exposed to hiv, as well as hepatitis-b and c. health officials say dr. harrington treated a higher population of patients with those illnesses. but when investigators started inspecting the dental tools and equipment in the office, in the last two weeks, what they discovered was disturbing, and extremely unsanitary. >> the instruments that came out of the autoclave were horrible. i wouldn't let my nephew play with them out in the dirt. i ...