CanadaCalgary crime analyst who led police to body of missing girl continues testimony in double-murder trial

© THE CANADIAN PRESS/Jeff McIntosh Lit candles and photographs are seen on display at a vigil for Calgary homicide victims Sara Baillie and her five-year-old daughter Taliyah Marsman, in Calgary, on July 17, 2016.

A Calgary police crime and intelligence analyst who used cell tower pings to help officers find five-year-old Taliyah Marsman will continue her testimony on Thursday.

Trish Pace told court Wednesday in the double-murder trial of Edward Downey that she used communications from a phone belonging to the accused to try and track where the little girl could be.

READ MORE: Graphic details about death of 5-year-old Taliyah Marsman presented in Calgary double-murder trial

Graphic evidence continues Day 5 of Calgary double murder trial of Edward Downey

The double murder trial of Edward Downey will enter its fifth day of testimony Friday. Downey has pleaded not guilty to first-degree murder in the deaths of Sara Baillie and her five-year-old daughter, Taliyah Marsman. READ MORE: 'It was a body': Graphic evidence from first responder presented in 4th day of Calgary double murder trial Family and friends of Sara and Taliyah sobbed in court Thursday as graphic details were presented by the officer who first responded to Sara's home. Calgary Police Const. Bradley Nykoluk said he was first called to the home on July 11, 2016 for a "check on welfare.

Pace showed jurors the maps she created to help guide officers in their search for Taliyah, who was the subject of an Alberta-wide Amber Alert at the time.

Downey is accused of first-degree murder in the deaths of Sara Baillie and Taliyah, her five-year-old daughter. He's pleaded not guilty to both charges.

READ MORE: Fatal injuries of mother and daughter detailed in double murder trial of Edward Downey

Sara was found dead inside of her northwest Calgary basement suite on July 11, 2016.

Taliyah's body was found three days later, outside the city limits.

Court was shown a map with the actual spot the little girl's body was found by police laid over top of the area Pace gave searchers to to look for her.

Her body was found on the edge of the specific search area where Pace predicted the five-year-old would be.

Watch - Fri, Nov 30: Friday marked an emotional end to an extremely difficult week for family and friends of Sara Baillie and her five-year-old daughter Taliyah Marsman. Edward Downey has pleaded not guilty to first-degree murder in the deaths of the mother and daughter. Nancy Hixt reports.