By JORDAN SHAPIRO (JEFFERSON CITY, Mo., AP) — Missouri Attorney General Chris Koster announced Monday that his office will launch an investigation into rising propane prices following calls from a rural...

(JEFFERSON CITY, Mo., AP) — As state attorney general, Chris Koster is sometimes referred to as Missouri's top prosecutor. But as the nationally publicized case of an alleged teenage sexual assault has...

(JEFFERSON CITY, Mo., AP) — Some of Missouri's top-ranking Republican officials are calling on Attorney General Chris Koster to get involved in an alleged sexual assault case in northwest Missouri. Koster's...