context: There is nothing in the record to suggest that the officers believed that such danger existed, or that they entered the second garage bay for that reason.
citation_a.signal: no signal
citation_a.identifier: 370 Mass. 548, 556-558
citation_a.parenthetical: concluding that, in light of what the police observed and learned immediately on entering the apartment, they were justified in entering the bedroom to search for a person for the safety of themselves and the occupants of the apartment
citation_a.sentence: Compare Commonwealth v. Walker, 370 Mass. 548, 556-558, cert. denied, 429 U.S. 943 (1976) (concluding that, in light of what the police observed and learned immediately on entering the apartment, they were justified in entering the bedroom to search for a person for the safety of themselves and the occupants of the apartment); Commonwealth v. Bowden, 379 Mass. 472, 478 (1980) (finding that a security check was reasonably believed to be necessary by the police to ensure their personal safety).
citation_b.signal: see
citation_b.identifier: 407 Mass. 617, 621
citation_b.parenthetical: in a murder case, police may conduct a protective sweep of the area to see if there are other victims or if a killer is still on the premises
citation_b.sentence: See Commonwealth v. Lewin (No. 1), 407 Mass. 617, 621 (1990) (in a murder case, police may conduct a protective sweep of the area to see if there are other victims or if a killer is still on the premises).