A look at the last 72 hours in Boston, from Friday, Sept. 9 through 10 A.M. Monday, Sept. 11, 2006Homicides: 1 Non-fatal Shootings: 2 (see below and below) Firearm arrests: 1. Three guns recovered. Street Robberies: 15. Three arrest in two incidents (see below) Commercial Robberies: 2 Other: 0 Auto thefts: 31. Note: 1/3 of the thefts involve Toyotas, model year 1989,1990, and 1991. Auto recoveries. 19 Larceny from Motor Vehicle (motor-vehicle breaks): 40 Residential break-ins: 24 Commercial Break-ins: 6 Note: the information above is preliminary information, and should not be considered official crime statistics. The information is based on an initial review of incident reports and may not be a comprehensive listing of events. It is not a statistical analysis, but rather an initial tally of significant events. Some of the incidents included may be covered in more detail in other blog postings.