Remember that front-page meth-bust story published in The Advance Feb. 23? Well, turns out, the 700 gallons of liquid seized by the feds in Pharr in the area of South Lamar Drive, after a Pharr police officer grew suspicious and called in the troops, wasn’t liquid methamphetamine after all. Instead, it was some mixture of chemicals and diesel that somehow tested positive for meth in the field.After 40 days in custody, the driver, Toscano Guzman, was released last Friday after federal prosecutors filed a motion to dismiss.The DEA arrested Guzman Feb. 15 after a Pharr officer, responding to an unrelated ...