Car thefts are up in Danbury while major crime is on the decline.  In a report to the City Council on activity during the first three months of the year, Police reported 252 major crimes like arson, assault and rape.  That's down 11-percent from the same period last year.  There were 23 reported motor vehicle thefts this year compared to 15 last year during the same time period.  Police officials from across the state have reported an increase in stolen cars and thefts from motor vehicles, many of which were unlocked.