SALEM — Salem detectives arrested a 20-year-old Massachusetts man Tuesday after an undercover operation connected him to a suspected fatal overdose.
Cesar Kelvin Carvajal Lara of Lawrence was charged with sale of fentanyl over 5 grams, a special felony, after detectives recovered 10 grams of suspected fentanyl.
The arrest followed an investigation into a suspected overdose death that occurred March 1 at a Salem residence…