Mr. Samuel's Penny: An Elizabeth Parrot Landers Mystery

"It's 1972 and fourteen-year-old New Yorker Elizabeth Landers is sent to the sleepy town of Ahoskie, North Carolina, to spend the summer with relatives. Her expectation of boredom is quickly dispelled when police sirens and flashing lights draw her to a horrible scene at the Danbury Bridge. Mr. Samuel, owner of Samuel's Lumber Yard, has driven his car off the bridge and into the river, drowning himself and his daughter. The medical examiner thinks it's an accident, but the Sheriff sa finds fresh bullet holes on the bridge right where the skid marks are"--Amazon.com.