Police say a West Des Moines teacher was shot by his trench coat-wearing sonlast night. 36-year-old Mark Neal is hospitalized in critical condition afterbeing shot in the stomach with a sawed-off shotgun. Des Moines SergeantBruce Elrod says 17-year-old David Neal was taken into custody after a briefchase.The Littleton, Colorado, students who shot and killed a teacher, 12 otherstudents, and themselves last week were wearing trench coats. SergeantElrod says last night’s situation in the Des Moines teacher’s home is NOTrelated to the Colorado case.Mark Neal is a teacher at Des Moines Dowling High School. David Neal facesseveral charges including assault with intent to commit murder.