This is the 5292nd most frequent Spanish word.
investigan
"They investigate."
The word 'investigan' here is used in the context of a formal and structured investigation performed by law enforcement officials.
Los detectives investigan el robo sucedido anoche.
The detectives investigate the robbery that happened last night.
In this sentence, 'investigan' is used to describe the act of scientific research and exploration carried out by researchers.
Los científicos investigan nuevas formas de energía renovable.
The scientists investigate new forms of renewable energy.
Here, 'investigan' refers to thorough reporting and the gathering of information by journalists to reveal important details about the subject.