October 17
9:53 a.m.—A HUPD officer came upon an individual acting suspiciously in the Holyoke Center. Joshua A. Marinez-Medeiros, 20, of Tremont Street in Boston, was then arrested for an outstanding warrant.
10:40 a.m.—A HUPD officer responded to a report of burglary and vandalism in Cabot Library. An inpection revealed that equipment was taken and some computer monitors were damaged.
2:23 p.m.—HUPD officers impounded a suspicious letter found at the Taubman Center.
7:49 p.m.— HUPD officers were dispatched to Gund Hall to investigate a person acting suspiciously on the basketball court. The individual explained that he was doing Tai Chi.
October 18
1:13 p.m.—HUPD officers sent to Rosovsky Hall to investigate an envelope found to contain a white powder. EHS and the CFD Hazardous Materials Team were called to the scene.
4:45 p.m.—A HUPD officer was dispatched to investigate a suspicious letter in the Baker Library. EHS responded, and the letter was impounded.
—Staff writer Alex B. Ginsberg can be reached at ginsberg@fas.harvard.edu.