 Some parts of our area could fall to the 60s tonight. We're brought to you by Gutter Helmet. Protect your home from water damage. Eliminate your gutter woes with Gutter Helmet. Visit gutterhelmet.com. Still to come here on WTOP, DNA helped crack this 40-year-old Maryland cold case. Now there is a conviction. And as we come up on National Ice Cream Day on Sunday, which city, not all that far from us, relatively speaking, has the most expensive ice cream?