Due to the movements the State Security Service members were making, Loid finds out that there was a bomb on the ship. Loid leaves Anya at the daycare in a hurry then disguises himself as a State Security Service member to take care of the bomb.
From what you're describing, it sounds like
حسب ما وصفتَه، يبدو لي
Dann wurden sie wohl
von derselben Person gelegt.
Por lo que describes,
Por lo que describes,
À en juger par sa structure,
la même personne a dû la poser.
Dato il meccanismo, suppongo che gli ordigni
siano tutti opera della stessa mano.
Pelo que está dizendo,
Судя по вашему описанию,
бомбы ставил один человек.