In 2013, Mónica Caballero and Francisco Solar were arrested in Spain, accused of placing an explosive device in a church.[1] The device exploded, causing material damages and slightly injuring one person.
In a trial in 2016, Mónica and Francisco were each sentenced to 12 years in prison.[2] In a 2016 appeal, both of their sentences were reduced to 4 years and 6 months.[3] In 2017, Mónica and Francisco were expelled to Chile, their country of origin.[4]
Techniques used
Name | Description | |
---|---|---|
Forensics | ||
Facial recognition | The main evidence against Mónica and Francisco was a comparison of photos of both of them with public CCTV footage that showed their uncovered faces while they were in the subway, shortly before or after the action.[1] | |
House raid | During a raid on the home of Mónica and Francisco, investigators found:[1]
| |
Mass surveillance | ||
Video surveillance | Public CCTV footage was used by investigators to reconstruct the movements of Mónica and Francisco before and after the action.[1] This showed that they were near the action site shortly before the explosion of the device. |