At the time of her death, which authorities initially treated as an accident, a court was mulling how the couple's marital assets would be divided, and Savio was set to receive part of Peterson's pension and other support.
The monthlong trial has been marked by repeated missteps by the prosecution that have angered Judge Edward Burmila and the defense.
At least four times since the trial began, prosecutors have allowed witnesses to testify to details Burmila has told them not to go into -- such as whether Savio had a protective order against her husband or allowing a witness to demonstrate climbing into a bathtub.
In some cases the defense has sought a mistrial and in others they have asked the judge to strike entire testimony. Burmila has instead ordered the jury to disregard elements of the testimony that went against his orders.
"The disrespect to the court is shocking," Burmila told the prosecution last week.
After closing arguments, jury deliberation could start as early as Tuesday afternoon.