Actress Marg Helgenberger (TV series, "CSI: Vegas"); death of rapper Coolio (1963-2022);Actress Marg Helgenberger (TV series, "CSI: Vegas"); death of rapper Coolio (1963-2022);Actress Marg Helgenberger (TV series, "CSI: Vegas"); death of rapper Coolio (1963-2022);