ROCHESTER HILLS,  Mich. (Michigan News Source) – The Oakland County Sheriff’s Office announced the last of the nine victims injured in a shooting at a Rochester Hills splash pad last month has been released from the hospital.

Officials said the 39-year-old woman was reunited with her family after being treated for serious injuries. Her 4-and-8-year-old sons were also injured in the shooting and have been released.

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“We know there is a long road ahead on both the physical and psychological healing,” Oakland County Sheriff Michael Bouchard said in a statement. “Our support will remain with the victims, and we will continue to look for any information that gives insight into the motive of the shooter.”

Seven adults and two children between the ages of 4 and 78 were shot on June 15 after 42-year-old Michael Nash opened fire at the Brooklands Plaza Splash Pad. He later killed himself following a standoff at his Shelby Township home. Officials are still investigating a motive.

The splash pad reopened on Wednesday ahead of the July 4th celebration.