Germany - Church bombing update

An explosion occurred at a church in Sintlingen-Süd, resulting in three deaths and multiple injuries. A suspicious woman, who entered the church shortly before the explosion, is believed to have carried and detonated hand grenades. The investigation is ongoing, with challenges in identifying the woman and understanding her motives.

What did the witnesses notice about the woman who entered the church?

What evidence was found regarding the hand grenades used in the incident?