Prosecutors in New Mexico want Timothy Busfield behind bars as his child sex abuse case plays out ... painting him as a child predator who poses a danger to any kid who gets near him. In new legal docs, obtained by TMZ, prosecutors lay out all the reasons why they want Timothy to remain locked up as the criminal case proceeds ... including the serious allegations he's facing here, plus a fresh accusation made yesterday from the father of an alleged victim. Prosecutors say the alleged victims