Los Angeles, CA —Last week’s fire at the downtown Da Vinci Apartments under construction seemed to me to be an obvious case of arson.  Motives in significant arson cases are nearly always financial.  The fact that the fire engulfed the entire, well over one million square feet evenly and suddenly indicates, at least to me a very large amount of accelerant like gasoline or paint thinner was used. Arsonists often mistakenly believe that fires will consume all the evidence of their crime.  The reality is gravity preserves arson evidence.  The temperatures of fires are the coolest on the bottom of structures conserving precious clues. Investigators are being understandably tight lipped about the things they know.  I also suspect that because the vast amount of real estate involved this crime involved multiple arsonists. In this case the first arsonist that can get to a lawyer, contact authorities and snitch on everyone else wins!  With...