Dennis Oland's second-degree murder trial: Nov. 19

An expert in cellphone networks will be cross-examined by defence lawyers on Thursday at the second-degree murder trial of Dennis Oland.

Joseph Sadoun, the director of engineering for the wireless division ofYves R. Hameland Associatesin Montreal, testified at the Oland trial onWednesday.

Sadoun alsohelps design cellphone networks and was declaredan expert by the court in how cellphone networks operate.

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• 'Minimal' chance Richard Oland's missing cell was in Saint John, jury told
• Richard Oland's missing cellphone's final ping was off Rothesay tower
• Richard Oland's mistress, Diana Sedlacek, testifies about final texts to slain lover

The court heard on Tuesdaythat thefinal communication receivedby Richard Oland's cellphonewas text message from his mistress, DianaSedlacek, on July 6, 2011,at 6:44 p.m.

It was transmitted by a cell tower inRothesay, which is about a 20-minute drive away from his Saint John office.

DennisOland said he drove home to Rothesay the evening his father died, stopping briefly at Renforth Wharf on his wayto see if his children were there swimming.

Thewharf is located near the Rothesay tower his father's cellphone pinged off.

Crown prosecutor Derek Weaver asked Sadoun what the chances were that a phone located in the city's uptown would communicate with a tower in Rothesay.