This story was originally published on MyNorthwest.com
Pierce County deputies, with support from SWAT, took an 18-year-old man into custody just after 10 p.m. last night in the city of Des Moines for his alleged involvement in a mass shooting that broke out during a house party last month. He is the second person arrested for the shooting.
The arrest was the culmination of an extensive undercover operation that had been underway since the shooting occurred on March 29…