Definition:
Divine Investigation refers to the concept of God examining, searching, and knowing the hearts, minds, and actions of individuals. This investigation is not limited to external actions but extends to the innermost thoughts and intentions of the heart. It is a theme that underscores God's omniscience and His role as the ultimate judge of human conduct.

Biblical Basis:
The Bible presents numerous instances where God is depicted as investigating or searching the hearts of individuals. This divine scrutiny is a testament to His omniscience and justice.

1. God's Omniscience:
The Bible affirms that God possesses complete knowledge of all things, including the hidden thoughts and intentions of the heart. In 1 Samuel 16:7, the LORD tells Samuel, "Do not consider his appearance or his height, for I have rejected him. The LORD does not see as man does. For man sees the outward appearance, but the LORD sees the heart." This verse highlights God's ability to see beyond external appearances and understand the true nature of a person.

2. Search of the Heart:
Jeremiah 17:10 states, "I, the LORD, search the heart; I examine the mind to reward a man according to his way, by what his deeds deserve." This passage emphasizes God's active role in investigating the inner workings of the human heart and mind, ensuring that His judgments are based on a comprehensive understanding of an individual's character and actions.

3. Divine Judgment:
The concept of divine investigation is closely linked to God's role as judge. In Ecclesiastes 12:14, it is written, "For God will bring every deed into judgment, along with every hidden thing, whether good or evil." This underscores the belief that nothing escapes God's notice and that He will hold individuals accountable for their actions, both seen and unseen.

4. Jesus' Knowledge of Hearts:
In the New Testament, Jesus is also depicted as possessing divine insight into human hearts. In John 2:24-25, it is recorded, "But Jesus did not entrust Himself to them, for He knew all men. He did not need any testimony about man, for He knew what was in a man." This passage illustrates Jesus' ability to discern the true nature of individuals, further affirming the divine attribute of omniscience.

5. The Role of the Holy Spirit:
The Holy Spirit plays a role in divine investigation by convicting individuals of sin and guiding them into truth. In John 16:8, Jesus says, "And when He comes, He will convict the world in regard to sin and righteousness and judgment." The Spirit's work in revealing truth and convicting hearts is an extension of God's investigative work.

Theological Implications:
Divine investigation serves as a reminder of God's intimate involvement in the lives of His creation. It assures believers that God is aware of their struggles, intentions, and desires, and it calls them to live with integrity and sincerity. The knowledge that God examines the heart encourages a life of authenticity and accountability, knowing that ultimately, it is God who judges justly.

Practical Application:
Believers are encouraged to invite God's investigation into their lives, seeking His guidance and correction. Psalm 139:23-24 offers a model prayer: "Search me, O God, and know my heart; test me and know my concerns. See if there is any offensive way in me, and lead me in the way everlasting." This openness to divine investigation fosters spiritual growth and alignment with God's will.