I think it is reasonable to assume he was drinking and driving. Right?
ETA, just my opinion based on what we know so far.
You'll get the same jokers coming out of the woodwork that defended Vick, Johnson, Jones, etc. on the innocent-until-proven-guilty angle. But, the only
reasonable explanation is he feared he'd blow > .08.
This case is completely different from your Vick,Jones comparisons , we have no evidence from any source as to what happened at the accident except what Briggs says. You cannot assume Brigs was DUI because of this. He has no prior history, this is an isolated incident. So many of us automatically assume with Pro athletes but if there is no track record of trouble than that player has to be given the benefit of a doubt at least once
Local TV, Radio says that Lance called the Cops himself to report the accident shortly thereafter, Brigs has recently bought this car so its not unreasonable to say that he was testing it out and lost control of it.
http://www.chicagotribune.com/sports/chi-0...i-sportstop-hed