TV investigator David Lomas is set to discover more answers and reunite families in his new local documentary series.

David Lomas Breakthrough involves the investigative reporter going to great lengths - and often great distances - to find family members who've have lost touch with a particular blood relative.

Ahead of the series debuting on Three, he explained he's lost count of how many reunions he's formed, both on and off the air.

"We've done a heck of a lot, we've put a lot of people together who have approached us - and one person doesn't want to do it or the story, from a television perspective, doesn't quite stack up."

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