Possible Clues:

• Facial make-up used by the police
• Makes faces from the features department presumably
• I study note with equipment that's formulaic
• Formulaic
• Police ID picture
• Like a formulaic pattern I repeatedly knitted badly
• Used to rearranged face make-up coming out of the Features Department presumably
• Aid in producing a suspect's picture
• Bizarrely, I twice knitted image of suspect
• A drawing of the face of someone the police want to question