The residents of the tiny town of Arlington, Vt., population 2,317 in the 2010 census, could finally unlock their doors last week after a 31-year-old man was arrested for the murder of 81-year-old Helen Jones, whose body was found in her home on Jan. 4.

Timothy J. Butler, who had once mowed the elderly woman’s lawn, was arraigned and pleaded not guilty last Thursday, charged with first degree murder and a felony county of burglary into an occupied dwelling armed with a dangerous or deadly…