Police say a New Jersey woman sped off a boat ramp into the Delaware River . Smith was checked into a medical facility for evaluation . Joann Smith , 24 , of Greenwich Township is charged with attempted murder , child endangerment . A man driving by saw the sinking vehicle and ran out to help , prosecutor 's office says . In March , a Florida woman was convicted of driving a minivan into the Atlantic with her 3 children .
Police say a New Jersey woman sped off a boat ramp into the Delaware River . Joann Smith , 24 , of Greenwich Township is charged with attempted murder , child endangerment . A man driving by saw the sinking vehicle and ran out to help , prosecutor 's office says . In March , a Florida woman was convicted of driving a minivan into the Atlantic with her 3 children .