Could you please correct and improve my sentences?

Person or persons unknown stole more than 55 gold sovereigns and jewelry from the home of software engineer Steve who lives on Fifth Street and the West Coast Road in Mexico (city???) Steve returned from a business trip yesterday to find his door lock broken and the valuables missing. He called local police who arrived on the scene to take finger prints and brought sniffer dogs to search for the thieves. The culprit(s) remain at large. Police are confident they will find them soon.