On April 27, 2021, sisters Anna and Olivia Zimmermann, aged one and six years old respectively, were kidnapped by their father, Tomás Antonio Gimeno Casañas, on the island of Tenerife, Spain.

An investigation was opened, considered one of the most complex that the Central Operational Unit (UCO) of the Civil Guard has had to face, which also intervened in the resolution of the cases of Diana Quer, Asunta Basterra, or Gabriel Cruz.

[7] The technical report of the Civil Guard concluded that the large number of gullies and underwater crevices made exploration difficult.

[8] After 45 days, on June 10, 2021, a bag weighed down with an anchor containing the remains of Olivia, the eldest of the two, appeared 1,000 m (3,300 ft) deep on the seabed, and three miles from the coast.

[15] Newscasts and newspapers from various countries in Latin America, the United Kingdom, Italy, Portugal, Germany, and Australia echoed the case.

[17] Queen Letizia of Spain expressed her condemnation the day after the discovery of Olivia's body, during the closing of the Santander Womennow 2021 forum.

[18] Through social media, various personalities from the world of culture, music and sports expressed their condemnation of the event, such as Paz Vega, Alejandro Sanz, Pastora Soler, Rudy Fernández, María Castro, Santiago Segura, Antonio Banderas, Marta Sánchez, Blas Cantó, Carlos Baute, Edurne, Malú, Rozalén, Álex García, Sergio Rodríguez, Raquel del Rosario, and Paula Echevarría, among others.