Computer. we take child porn very seriously. We go after it as hard as we can Alecia Marshall pfeiffer retired from acalanes high in june. On monday, investigators with the internet crimes against Children Task force showed up to his walnut creek home and put him in cuffs. A number of agencies across the bay area also took part in the probe. Sot its shocking because he seemed like a nice guy. Alecia the School District is working with police, and says theres no evidence that suggests the 66 year old former teacher took part in any illegal activity during his years at the school. Two of doug watsons children attend acalanes. Hes appalled. i have zero tolerance for this you dont want your children anywhere near these people. Alecia police say pheifer is a first time offender. If convicted hes looking at 3 yars in prisonlive in Lafayette Pam happening now. The west oakland bart station remains closed. Following a shooting. This is cell phone video of the incident. Bart Officials Say a man