Keywords: 1846 Tirrell Bickford BostonTragedy NationalPoliceGazette.jpg en The Boston Tragedy the murder of Maria Bickford 1846; Tirrell was acquitted because of sleepwalking National Police Gazette 1846 National Police Gazette via http //historyproject ucdavis edu/ic/collection/halttunen/Nineteenth_Century/Victorian_Death/8867 html National Police Gazette 1846 PD-Art Boston in the 1840s Boston Tragedy Deaths from murder Bickford Maria 1846 in the United States Boston Tragedy National Police Gazette Sleepwalking 1846 in art |