Scott Weinberger

And the close-range shots to the head made the shooter's intention clear. Yvonne's murder was premeditated and personal.

And the close-range shots to the head made the shooter's intention clear. Yvonne's murder was premeditated and personal.

Footprints in the snow. I can tell you as a former cop in Florida, I can definitely say I was never that lucky. But I will say, as a former K-9 handler myself, starting the track with a warm body and a scene that just occurred is a great start.

Footprints in the snow. I can tell you as a former cop in Florida, I can definitely say I was never that lucky. But I will say, as a former K-9 handler myself, starting the track with a warm body and a scene that just occurred is a great start.

The mold was an almost exact replica of the unique tread on the bottom of a size 5 snow boot. Find the boot, find the killer.

The mold was an almost exact replica of the unique tread on the bottom of a size 5 snow boot. Find the boot, find the killer.

When police asked her if she could think of anyone who might have potentially had a recent ongoing conflict with her mom, she could only think of one person.

When police asked her if she could think of anyone who might have potentially had a recent ongoing conflict with her mom, she could only think of one person.

And besides Yvonne's daughter, Julie, he was also likely the last person to see Yvonne alive before she was gunned down in cold blood.

And besides Yvonne's daughter, Julie, he was also likely the last person to see Yvonne alive before she was gunned down in cold blood.

When 45-year-old Yvonne Menke was murdered as she left her home, her family and friends in St. Croix Falls, Wisconsin, were left wondering why.

When 45-year-old Yvonne Menke was murdered as she left her home, her family and friends in St. Croix Falls, Wisconsin, were left wondering why.

Jack Owen was also who Yvonne was with the night before she was killed. And according to witnesses, she had attended a birthday party for him at his father's house in nearby Eureka.

Jack Owen was also who Yvonne was with the night before she was killed. And according to witnesses, she had attended a birthday party for him at his father's house in nearby Eureka.

And anytime a homicide investigator hears love triangle, their ears are going to perk up because with infidelity comes a viper's nest of motives, including jealousy, obsession, and revenge.

And anytime a homicide investigator hears love triangle, their ears are going to perk up because with infidelity comes a viper's nest of motives, including jealousy, obsession, and revenge.

So he claimed that at 6.30 a.m. on the morning of December 12th, he was still asleep at his parents' house and didn't learn about Yvonne's death until he had visited the bank later that morning. But his reaction to the news of her murder did strike investigators as odd.

So he claimed that at 6.30 a.m. on the morning of December 12th, he was still asleep at his parents' house and didn't learn about Yvonne's death until he had visited the bank later that morning. But his reaction to the news of her murder did strike investigators as odd.

He also denied that Yvonne and Mary Jo even knew each other, let alone were romantic rivals. But Yvonne's family provided investigators with evidence to the contrary.

He also denied that Yvonne and Mary Jo even knew each other, let alone were romantic rivals. But Yvonne's family provided investigators with evidence to the contrary.