June 30, 2013 update
The Snohomish County Sheriff's Office has identified the suspect arrested in Molly Conley's shooting as 26 year-old Erick N. Walker from Marysville.
Authorities have not said what led them to Walker, but there was a rewared for more than $30,000 for information leading to the arrest and conviction of Molly Conley's murderer.
Original June 28, 3013 article
Snohomish County Sheriff’s Office detectives arrested a 26 year-old man on Friday, June 28, 2013 at his Marysville home in connection with the June 1st fatal drive-by shooting in Lake Stevens of 15 year-old Molly Conley.
He will be booked into the Snohomish County Jail for 1st degree murder sometime tonight.
On Saturday June 1st, 2013 at around 11:15 pm, 15 year-old Molly Conley was killed by a single shot in the neck as she was walking with some friends along the 10600 block of South Lake Stevens Road, in Lake Stevens.
Conley, a freshman at Bishop Blanchet High School in Seattle, was with a group of friends celebrating her 15th birthday. She was described as having a huge, loving heart.
The bullet that struck Conley came from a dark colored vehicle that drove past them.