This week on Headline Highlights: A developing situation has left multiple people ill and at least three dead from suspected Hantavirus, an unusual outbreak on a luxury cruise ship. Prosecutors say a new timeline shows David Anthony Burke (d4vd) planned Celeste’s murder, and staged a cover story, though it has not been proven in court. In Shreveport, Louisiana, Shamar Elkins allegedly shot his girlfriend, killed eight children including seven of his own, and then fled. Tanner Horner has now been sentenced to death for the killing of Athena Strand. In Alice Springs, a 5-year-old girl known as Kumanjayi Little Baby went missing and was found dead five days later…