(Scroll down for video) Police in Australia, are looking for two young thieves who got away with more than they bargained for during a robbery.
Police said that they analyzed clues left behind by the clumsy robbers in order to catch them.
The robbers of Perth, went into a pharmacy and attempted to steal items, but they were unsuccessful. The two did not give up and soon returned for a second try.
This time, the armed men managed to steal several items, including expensive sleep apnoea gear.
While running away from the scene, the thieves, who are said to be between 18 and 21 years old, tried to hurt employees who were chasing after them.
While doing so, one of the men pepper sprayed his own face and the other then pulled out a knife and accidentally cut himself.
Police said that they collected a DNA sample from the blood in order to catch the thieves, who were the only ones who were hurt during the ordeal.