James Triplett had his customers lined up around the corner in broad daylight, the feds say. Not for concert tickets. Not for iPhones. For heroin. Now 42 people are facing state or federal drug charges for their alleged roles in supplying and distributing heroin around West Grenshaw and Independence in the North Lawndale neighborhood on the West Side. Among them is the 33-year-old Triplett, also known as “Trell,” who authorities said controlled the drug market in the area. Investigators even included a photo in a federal criminal complaint spanning more than 200 pages. They said the photo depicts a line...