Begoña Martín Baeza, aged 25, had been married for nine months and planned to start a family soon. She lived in Guadalajara with her husband and worked in the town of San Sebastián de los Reyes, Madrid as an administrative assistant. This allowed her to spend a lot of time with her father, who was living in the town. She loved spending time in her father’s home town of Béjar, where a square has since been named after her.
11 March 2004 fell on a Thursday. Early that morning, a number of terrorists with links to Al-Qaeda planted thirteen bombs on four suburban trains covering routes running through Madrid. Ten of the bombs exploded between 7.37 and 7.39 am, when the trains were at Atocha, El Pozo and Santa Eugenia stations and alongside Calle Téllez. 191 people were killed in the attack and around 1,500 were wounded. It was the deadliest terrorist attack in Spanish history. On 3 April 2004, agents from the Special Operations Group (GEO) were about to enter an apartment in Leganés where the perpetrators of the attacks were believed to be hiding when the terrorists detonated twenty kilograms of explosives in an act of collective suicide. The ensuing blast killed one of the officers, bringing the total number of people killed by the 11 March bombers to 192.