Authorities in Germany say a retired gardener who was found dead last week has left booby traps behind to target his enemies.
59-year-old Bernhard Graumann is believed to be posing a risk to the public from beyond the grave.
German police issuing a warning to anyone who many have had a conflict with him, after a series of attacks have left one person dead and two others injured.
Authorities say a dentist was killed by a bomb that Graumann apparently planted.
The retired gardener is also suspected of rigging a piece of firewood that exploded when a woman put it in her stove, injuring her and her 4-year-old daughter.
Police say all three victims had been known to Graumann, who either had a personal or business connection to the individuals.
The attacks took place in the West-Palatia region, located close to the border with France.
Graumann was found dead in his bed Friday.
Investigators are probing whether the 59-year-old poisoned himself.
They also found gunpowder and weapons while searching his house.