容(よう)疑(ぎ)者(しゃ) yougishaは wa三(さん) san週(しゅう)間(かん) shuukan山(やま) yamaに ni潜(せん)伏(ぷく) senpukuしていた shiteita。 The suspect was hiding out in the mountains for three weeks. Literal Suspect [topic-は] 3-week mountain [at-に] was-hiding-out. 潜伏する ('to hide out / lie low') is formal crime-reporting vocabulary — 潜 ('submerge / hide') + 伏 ('lie down'). ~ていた is past ongoing. newscrimemedia~ている (ongoing state)
容(よう)疑(ぎ)者(しゃ) yougishaは wa三(さん) san週(しゅう)間(かん) shuukan山(やま) yamaに ni潜(せん)伏(ぷく) senpukuしていた shiteita。 The suspect was hiding out in the mountains for three weeks. Literal Suspect [topic-は] 3-week mountain [at-に] was-hiding-out. 潜伏する ('to hide out / lie low') is formal crime-reporting vocabulary — 潜 ('submerge / hide') + 伏 ('lie down'). ~ていた is past ongoing. newscrimemedia~ている (ongoing state)