A man, 46, has been arrested over a string of armed robberies committed in St George in 2011.
Strike Force Beachmont was formed to investigate five incidents including four at knifepoint.
Police said the man robbed a Banksia mixed business on December 1, a Wolli Creek bakery on December 2, a Peakhurst convenience store on December 5, a woman at Mortdale on December 6 and attempted to rob a Kyle Bay convenience store on December 6.
He was arrested on Tuesday at an Ashfield home.
Police later searched a Tempe home and seized several items.
The man, who was charged with robbery and four counts of robbery armed with an offensive weapon, will appear in Kogarah Court on October 21.