(Portland, OR)  --  Three people are dead and about half a dozen more are injured following two separate wrong-way crashes on SR-14.  Police say the first crash happened early yesterday near Columbia House Boulevard when driver Aaron Dohman crashed head-on into another driver identified as Edgar Acosta at a high rate of speed.  Dohman and Acosta were both killed in the crash, along with Dohman's passenger Michelle Henriksbo.  Police responded to a second wrong-way crash in the same area of Columbia House Boulevard less than an hour later.  Police say five people were injured in that crash.