Three suspected methamphetamine dealers from the Dallas area were arrested in Decatur Tuesday afternoon as part of an undercover narcotics investigation. The suspects were arrested at the Roadies Shell station on U.S. 380. Approximately 85 grams of suspected methamphetamine valued at $8,500, 5 grams of suspected cocaine valued at $500 and 5 grams of marijuana were located during the search. Marco Antonio Ortiz of Duncanville, Jimmy Deluna of Dallas and Ricardo Delarosa of Cedar Hill were all charged with conspiracy to manufacture/deliver a controlled substance 4-200 grams with intent to deliver, possession of a controlled substance 4-200 grams and possession of marijuana under 2 ounces. The suspects were taken to the Wise County Jail and bonds were set at $105,000.The arrests were the result of a lengthy investigation that included undercover work and surveillance. The suspects had allegedly been delivering crystal meth to dealers in Wise County for years. The Texas Department of Public Safety and the Decatur Police Department assisted in the arrests.