(Bellevue, WA)  --  Bellevue, Washington police are asking that Seattle Seahawks fullback Derrick Coleman be charged with vehicular assault and hit-and-run in connection with an October 14th crash.  Investigators say Coleman admitted to smoking synthetic marijuana before the wreck that left another driver with a head injury.  SeattlePI.com reports the claims against Coleman have been forwarded to the King County Prosecutor's Office and a decision is expected in the next few weeks.  Coleman's attorney, Steve Hayne says the claim against Coleman is "irresponsible" and his client wasn't impaired at the time of the crash.