Tuesday, Nov. 27
7:40 a.m.: A sex offender registered at the Marlborough Police Department on Bolton Street.
8:33 a.m.: A patrol was directed to Jaworek Elementary School on Hosmer Street.
8:39 a.m.: Threats were reported from Whitcomb School on Union Street.
11:25 a.m.: A missing person was reported from Boudreau Avenue.
12:47 p.m.: A past breaking and entering burglary was reported from The Heights at Marlborough Apartments on Briarwood Lane.
3:27 p.m.: Police arrested Daniel Valentin, 24, of 1 Tri Town Rd. Apt. 205 in Lunenberg on Bolton Street on a warrant.
5:20 p.m.: A disturbance was reported from Chin's Garden on Main Street.
7:47 p.m.: Suspicious activity was reported from Mount Pleasant Street.
8:57 p.m.: A missing person was reported from East Main Street.
10:13 p.m.: An erratic operator was reported from Stow and Simpson Roads.
Wednesday, Nov. 28
1:20 a.m.: A burglar alarm went off at the 99 Restaurant on Boston Post Road West.