Whyalla Police are investigating a break-in at the Whyalla TAFE on Tuesday.
Just after 4am on Tuesday, May 14 a window on the southern side of the library was damaged with entry gained and a further three windows within the same building also smashed.
CCTV captured a man walking a dog nearby around the time of the alarm activation. He is wearing a hooded 'Unity' top, a beanie, green track pants and black trainers with gloves on his hands.
Police are seeking the assistance of the public to identify the man who may be able to assist police with this matter.
Anyone who recognises the man is urged to call Crime Stoppers on 1800 333 000 or you can report online at www.crimestopperssa.com.au.