STEVENS POINT, Wis. (AP) – Portage County prosecutors say a Plover man accused of strangling his neighbor last month sexually assaulted her dead body before setting the corpse on fire.  A Stevens Point Journal Media report ( ) says 33-year-old Jose Luis Flores Aca acknowledged killing the woman and assaulting her body.  Flores Aca was charged Tuesday with three felonies, including first-degree intentional homicide.  A WSAW-TV report ( ) says 36-year-old Jamie Koch died last month of strangulation.  The criminal complaint says Flores Aca told investigators he was in the hallway of his apartment when Koch opened her door and invited him to talk. He says she grabbed his arm, and then he punched and strangled her.  He also told detectives he drove her body to Waupaca County, parked and set the car on fire.