The 57-year-old suspect, identified as Tadeusz Duda, is believed to have died by suicide, regional police commander Artur Bednarek told reporters.
A weapon was found near his body, he said.
Artur Bednarek. Photo: PAP/Grzegorz Momot
Investigators say Duda fatally shot his 26-year-old daughter and 31-year-old son-in-law, and injured his mother-in-law in the village of Stara Wieś near the town of Limanowa on Friday.
Authorities launched a massive manhunt after the killings, involving hundreds of officers, including counterterrorism units, as well as firefighters, border guards and army personnel.
Earlier on Tuesday, police had offered a reward of PLN 50,000 (EUR 11,700) for information leading to the suspect’s capture.
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Source: IAR, PAP, TVP Info