This is the 12190th most frequent Spanish word.
investigaron
"Investigaron" means "they investigated" or "you (plural) investigated" in English.
Here, 'investigaron' refers to the action of inquiring and gathering information to understand the accident's causes.
Ellos investigaron las causas del accidente.
They investigated the causes of the accident.
In this case, 'investigaron' implies examining people closely in relation to the crime, showing use in legal contexts.
Las autoridades investigaron a los sospechosos respecto al crimen.
The authorities investigated the suspects regarding the crime.
Here, 'investigaron' refers to conducting research or study within the archives, presenting an academic use of the term.