Syringer Rifle

"The Syringer is a rare, custom-made weapon that can shoot modified medical syringes at an enemy, who then suffers the effects of whatever chemical is in the syringe."

- Fallout 4 loading screens

Obtaining

 * D.B. Technical High School (Slim, a ghoul chem dealer)
 * Hole in the Wall Quest (Reward from Dr. Forsythe)
 * Greater Mass Blood Clinic
 * Milton General Hospital (advanced locked room, second floor)
 * Mass Bay Medical Center (near the Chemistry Station)
 * Sandy Coves Convalescent Home (Inside the locked room left hand side)
 * Medford Memorial Hospital (on top of a steamer trunk, operating theater)
 * Kendall Hospital (upper area, leaning to the wall near a yellow explosive crate and red barrel)
 * Parsons State Insane Asylum (last room, left hand side, end of cell block)
 * Plumber's Secret (concealed location northeast of Kendall Hospital)
 * Vault 81 (to the north, In a small building, on a shelf next to the door)
 * Far Harbor (follow Dylan's note, inside a crate after excavating the grave)

Effects
NOTE: The Effects might look like very uncommon, not good, less effective. They are not! A simple Mind Cloud Syringe will make any Big Game a walk in the park.