LOS ANGELES—Authorities arrested a 31-year-old man Wednesday in connection with the slaying of a woman while she worked at a Los Angeles furniture store last week. Shawn Laval Smith was taken into custody shortly before noon Wednesday in Pasadena, according to a Twitter post by the Los Angeles Police Department. Someone recognized Smith from photos distributed by the LAPD as he used the restroom inside a restaurant in Pasadena and police in the Los Angeles suburb took him into custody at a bus bench, KCBS-TV reported. Investigators had offered a $250,000 reward during a news conference Tuesday for information leading to Smith’s identity, arrest, and conviction in the fatal stabbing of Brianna Kupfer, 24. Smith is a transient who has been seen in several Southern California cities along with San Diego and San Francisco, police said. Kupfer was alone in the Croft House in the Hancock Park neighborhood last Thursday …