for evidence control and witness processing.

用来收集证物和寻找目击者
Now,we need to keep it tight

目前我们得谨慎行事
until we can determine that it is a crime investigation.

等到能确定这是犯罪调查再说
It is a crime investigation.

这确实是犯罪调查
Got a piece of electric blasting cap

我找到一块电雷管的碎片
and a strand of what appears to be leg wire.

还有一束像是引线的东西
About a million of those blue particles washed up on the Algiers side.

在阿尔及尔码头这边大概有一百万片这样的蓝色碎片
It's probably from a plastic container or a barrel.

也许可能是塑料容器或者是塑料桶的一部分
ANFO?

铵油炸药?
Most likely. There was post-blast residue

很有可能在新月城大桥底下
under the Crescent City Bridge.

有爆炸的残留物
The insulation on the leg wire will inform us

金属引线上的绝缘层将会告诉我们