A two-month-long undercover investigation into the sale of illegal narcotics has resulted in the arrest of a Bossier City man -- and the seizure of marijuana, crack cocaine and thousands of dollars in cash. Narcotics agents have arrested 45-year-old William Mayfield for distributing marijuana -- and possessing marijuana and cocaine with intent to distribute. He was also charged with illegally possessing a weapon with a controlled dangerous substance. Mayfield was arrested at his home in the 2300 block of Walnut Street, where agents recovered more than two pounds of marijuana, 15 grams of crack cocaine, drug paraphernalia, a handgun and $6,000 cash. The narcotics have a combined street value of $2,200.