PALMER, Mass. -- Investigators' search of a heavily-wooded area yielded no new clues Wednesday in the search for missing lifeguard Molly Bish, Newscenter 5's Jack Harper reported.

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Crews returned to a wooded area in Palmer looking for evidence in an area about 2 miles from Molly Bish's home.

The search dogs returned to the woods where the bathing suit similar to Molly's was located. Wednesday they targeted a three-acre area. The search area was very thick woods only about five miles from the pond where the young lifeguard was reported missing. Next month marks three years since the 16-year-old disappeared from her shift in Warren.

"We have three dogs from the Connecticut State Police and Massachusetts State Police and we'll be searching this area until 3 o'clock Wednesday afternoon. Depending upon what we find here today, we'll definitely be back here tomorrow doing the very same thing. This is a huge area and it's taking us some time to cover it all. Basically we're talking 8.25 acres," District Attorney John Conte said.

Unless there is some sort of breakthrough, the most extensive search of this area so far is now planned for next Tuesday, coordinating dogs and volunteers on foot.

Conte also confirmed Wednesday morning that State Police are out talking to potential suspects in this case people that have identified over the past couple of years. And they are asking them to volunteer DNA samples.

So far he said, they have not gone to court looking for any orders to try to those samples and obviously the most important thing remains whether they can get any samples from the bathing suit that is still being tested at a Virginia DNA lab.

Meanwhile, Molly Bish's parents attended the third annual Missing Children's Day ceremony at the Statehouse.

"We're praying for her return, but I'm conflicted with that, because I guess I don't want to hear about them finding her in the woods, what her condition might have been or what might have happened to her and have to go through a funeral. I worry about that for our family," John Bish said.